1) Carbon forms the basis of all living things and is found in many natural substances like coal, oil and natural gas. It has the unique ability to form chains and rings through covalent bonding.
2) Carbon atoms form covalent bonds by sharing electrons to gain stability. It forms single, double or triple bonds with other carbon atoms or other elements like hydrogen and oxygen. This allows carbon to form a vast array of compounds.
3) Important carbon compounds include ethanol, an alcohol, and ethanoic acid, also known as acetic acid. Ethanol is used in drinks and medicines while ethanoic acid gives vinegar its sour taste. They undergo reactions like esterification and saponification.
Carbon forms a vast number of compounds due to its ability to form chains, branches and rings through catenation. It can form single, double and triple covalent bonds with other carbon atoms and atoms of other elements like hydrogen, oxygen, nitrogen and halogens. Some important carbon compounds are ethanol, ethanoic acid, soaps and detergents. Ethanol is used as a solvent and in medicines and drinks. Ethanoic acid is used to make vinegar and its esters. Soaps clean with water through micelle formation but don't work in hard water while detergents do.
This document provides information about carbon and its compounds. It discusses electron dot structures of various molecules like H2, O2, ethane and unsaturated hydrocarbons. It also describes cyclic/closed chain hydrocarbons and aromatic hydrocarbons like benzene. The document outlines IUPAC naming rules for hydrocarbons and different formula types. It provides examples of alkenes, alkynes and their naming conventions. Key differences between properties of covalent and ionic compounds are highlighted.
This document discusses the physical and chemical properties of metals and non-metals. It describes how metals react with oxygen, water, and acids. A reactivity series of metals is provided from most reactive to least. The document explains how ionic compounds form and their properties. The extraction of metals from ores is summarized including concentration, reduction, and refining steps. Common extraction methods are outlined for metals of high, medium, and low reactivity in the series.
1. Carbon is found in many substances like fuels, living organisms, and in the free state as diamond and graphite.
2. Carbon forms covalent bonds by sharing electrons to attain stability, giving it a valency of 4. It can form single, double, or triple covalent bonds.
3. Carbon forms over 3 million compounds due to its ability to form chains, rings, and bonds with many elements. This allows for a vast variety of structures.
This document provides a summary of the structure of the atom. It discusses the three main subatomic particles - electrons, protons, and neutrons. It then describes the historical models of the atom including Thomson's plum pudding model, Rutherford's nuclear model, and Bohr's orbital model. Key topics covered include the distribution of electrons in shells, atomic number, mass number, isotopes, isobars, and valency.
This document discusses organic chemistry and carbon compounds. It begins by defining organic as pertaining to life and living things, and organic chemistry as the chemistry of carbon compounds. Carbon is well-suited for life because it can form diverse and strong bonds. The document then discusses the structure of carbon atoms and their ability to form four bonds, allowing them to link together in chains, rings, and other complex structures. It also describes several allotropes of carbon like diamond and graphite, as well as hydrocarbons, the simplest of which is methane. The document provides examples of organic nomenclature rules and classifications of organic compounds.
Carbon is a versatile element that forms millions of compounds. It exists in many forms including diamond and graphite. Carbon is present in all living organisms and is the main component of fuels like coal.
Carbon atoms bond with other atoms through covalent bonds by sharing electrons. This allows carbon to form chains, branches and closed rings. Hydrocarbons contain only carbon and hydrogen and can be saturated or unsaturated. Functional groups determine the properties of carbon compounds.
Some important carbon compounds are ethanol, ethanoic acid, and soaps. Ethanol is used in drinks and medicines while ethanoic acid gives vinegar its sour taste. Soaps clean through micelle formation while detergents work better in
Carbon is a key element that forms the basis of many important compounds due to its ability to bond with other carbon atoms and elements. It exists in several allotropes with varying properties, including diamond and graphite. Carbon can form single, double, and triple bonds with other atoms, allowing it to create large, complex molecules through catenation. Saturated carbon compounds contain only single bonds, while unsaturated compounds contain double or triple bonds. Functional groups and structural isomers give compounds unique reactivity and properties. Important carbon compounds discussed include ethanol, ethanoic acid, soaps, and detergents.
Carbon forms a vast number of compounds due to its ability to form chains, branches and rings through catenation. It can form single, double and triple covalent bonds with other carbon atoms and atoms of other elements like hydrogen, oxygen, nitrogen and halogens. Some important carbon compounds are ethanol, ethanoic acid, soaps and detergents. Ethanol is used as a solvent and in medicines and drinks. Ethanoic acid is used to make vinegar and its esters. Soaps clean with water through micelle formation but don't work in hard water while detergents do.
This document provides information about carbon and its compounds. It discusses electron dot structures of various molecules like H2, O2, ethane and unsaturated hydrocarbons. It also describes cyclic/closed chain hydrocarbons and aromatic hydrocarbons like benzene. The document outlines IUPAC naming rules for hydrocarbons and different formula types. It provides examples of alkenes, alkynes and their naming conventions. Key differences between properties of covalent and ionic compounds are highlighted.
This document discusses the physical and chemical properties of metals and non-metals. It describes how metals react with oxygen, water, and acids. A reactivity series of metals is provided from most reactive to least. The document explains how ionic compounds form and their properties. The extraction of metals from ores is summarized including concentration, reduction, and refining steps. Common extraction methods are outlined for metals of high, medium, and low reactivity in the series.
1. Carbon is found in many substances like fuels, living organisms, and in the free state as diamond and graphite.
2. Carbon forms covalent bonds by sharing electrons to attain stability, giving it a valency of 4. It can form single, double, or triple covalent bonds.
3. Carbon forms over 3 million compounds due to its ability to form chains, rings, and bonds with many elements. This allows for a vast variety of structures.
This document provides a summary of the structure of the atom. It discusses the three main subatomic particles - electrons, protons, and neutrons. It then describes the historical models of the atom including Thomson's plum pudding model, Rutherford's nuclear model, and Bohr's orbital model. Key topics covered include the distribution of electrons in shells, atomic number, mass number, isotopes, isobars, and valency.
This document discusses organic chemistry and carbon compounds. It begins by defining organic as pertaining to life and living things, and organic chemistry as the chemistry of carbon compounds. Carbon is well-suited for life because it can form diverse and strong bonds. The document then discusses the structure of carbon atoms and their ability to form four bonds, allowing them to link together in chains, rings, and other complex structures. It also describes several allotropes of carbon like diamond and graphite, as well as hydrocarbons, the simplest of which is methane. The document provides examples of organic nomenclature rules and classifications of organic compounds.
Carbon is a versatile element that forms millions of compounds. It exists in many forms including diamond and graphite. Carbon is present in all living organisms and is the main component of fuels like coal.
Carbon atoms bond with other atoms through covalent bonds by sharing electrons. This allows carbon to form chains, branches and closed rings. Hydrocarbons contain only carbon and hydrogen and can be saturated or unsaturated. Functional groups determine the properties of carbon compounds.
Some important carbon compounds are ethanol, ethanoic acid, and soaps. Ethanol is used in drinks and medicines while ethanoic acid gives vinegar its sour taste. Soaps clean through micelle formation while detergents work better in
Carbon is a key element that forms the basis of many important compounds due to its ability to bond with other carbon atoms and elements. It exists in several allotropes with varying properties, including diamond and graphite. Carbon can form single, double, and triple bonds with other atoms, allowing it to create large, complex molecules through catenation. Saturated carbon compounds contain only single bonds, while unsaturated compounds contain double or triple bonds. Functional groups and structural isomers give compounds unique reactivity and properties. Important carbon compounds discussed include ethanol, ethanoic acid, soaps, and detergents.
Ncert class 10 - science - chapter 3 - metals and non-metalsEswariKumaravel
The document discusses the properties of metals and non-metals. It describes how metals are lustrous, malleable, ductile, and good conductors of heat and electricity, while non-metals lack these properties. Experiments are presented to demonstrate that metals are lustrous, hard except for a few, malleable by hammering into thin sheets, and ductile by pulling into wires. Other experiments show that metals conduct heat by melting wax and conduct electricity by lighting a bulb. The document contrasts how metals and non-metals react with oxygen, water, acids, and how metals react in salt solutions in displacement reactions.
HOW DO ORGANISMS REPRODUCE CH-8 ,class-10.pptxbablivashisht
Reproduction allows organisms to produce new individuals of the same species in order to ensure species survival. During reproduction, DNA is copied and passed from parents to offspring, resulting in slight variations between offspring that are important for species evolution and survival amid environmental changes. There are two main types of reproduction: asexual, where new individuals arise from a single parent through processes like budding and fission, and sexual, which involves two parents fusing male and female reproductive cells. In humans, sexual reproduction occurs through internal fertilization, where sperm from the male fertilizes an egg from the female inside her reproductive system, leading to embryo development and birth after nine months of pregnancy.
This document provides information about ecosystems and the environment. It discusses how human activities produce waste that pollutes the air, water and soil. It describes biodegradable and non-biodegradable waste. It also explains the components of an ecosystem like producers, consumers and decomposers. Additionally, it covers topics like food chains, food webs, trophic levels, energy flow between trophic levels, and biological magnification. Finally, it discusses how human activities like the use of CFCs damage the ozone layer and the importance of proper garbage disposal.
Chapter 3.metals and non metals priya jhaPriya Jha
An element is the simplest form of matter that cannot be split into simpler substances or built from simpler substances by any ordinary chemical or physical method. There are 118 elements known to us, out of which 92 are naturally occurring, while the rest have been prepared artificially. Elements are further classified into metals, non-metals, and metalloids based on their properties, which are correlated with their placement in the periodic table.Metals
With the exception of hydrogen, all elements that form positive ions by losing electrons during chemical reactions are called metals. Thus metals are electropositive elements with relatively low ionization energies. They are characterized by bright luster, hardness, ability to resonate sound and are excellent conductors of heat and electricity. Metals are solids under normal conditions except for Mercury.Nonmetals
Elements that tend to gain electrons to form anions during chemical reactions are called non-metals. These are electronegative elements with high ionization energies. They are non-lustrous, brittle and poor conductors of heat and electricity (except graphite). Non-metals can be gases, liquids or solids.Metalloids
Metalloids have properties intermediate between the metals and nonmetals. Metalloids are useful in the semiconductor industry. Metalloids are all solid at room temperature. They can form alloys with other metals. Some metalloids, such as silicon and germanium, can act as electrical conductors under the right conditions, thus they are called semiconductors. Silicon for example appears lustrous, but is not malleable nor ductile (it is brittle - a characteristic of some nonmetals). It is a much poorer conductor of heat and electricity than the metals. The physical properties of metalloids tend to be metallic, but their chemical properties tend to be non-metallic. The oxidation number of an element in this group can range from +5 to -2, depending on the group in which it is located.
A complete summary of the chapter carbon and its compounds. Every topic has been discussed effectively and provided with pictures for further reference.
THE RSE OF NATIONALISM IN EUROPE FOR CBSE CLASS 10 STUDENTS THIS IS THEBEST PPT BY ME FOR MORE BEST JUST EDIT IT IN YOUR WAY YOU CAN DOWNLOAD THIS AND FRIENDS DON'T FORGET TO LIKE IT IF YOU LIKE THIS JUST FOLLOE ON saqlainmemon776@gmail.com in slideshare.
DON'T FORGET TO SHARE......................................
Chapter - 5, Periodic Classification of Elements, Science, Class 10Shivam Parmar
I have expertise in making educational and other PPTs. Email me for more PPTs at a very reasonable price that perfectly fits in your budget.
Email: parmarshivam105@gmail.com
Chapter-5, Periodic Classification of Elements, Science Class10
CLASSIFICATION
DOBEREINER’S TRIAD
LIMITATIONS
NEWLAND’S LAW OF OCTAVES
CHARACTERISTICS OF LAW OF OCTAVES
LIMITATIONS OF NEWLANDS LAW OF OCTAVES
MENDELEEV’S PERIODIC TABLE
PROPERTIES OF GROUPS STUDIED BY MENDELEEV
LIMITATIONS OF MENDELEEV’S PERIODIC TABLE
MERITS OF MENDELEEV’S PERIODIC CLASSIFICATION
MODERN PERIODIC LAW
PROPERTIES OF MODERN PERIODIC TABLE
NOBLE GASES
POSITION OF ELEMENTS IN THE MODERN PERIODIC -TABLE
METALS
NON-METALS
METALLOIDS
TRENDS IN MODERN PERIODIC TABLE
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
By Shivam Parmar (Entrepreneur & Teacher)
Myself being as a class 10 CBSE student; I understand the difficulties faced by the students.
so refer this presentation to have a well understanding over a difficult chapter.
PLEASE DO FOLLOW ME FOR FURTHER UPDATES!!
1. The document discusses carbon compounds and their properties. It covers hydrocarbons, saturated and unsaturated compounds, functional groups, and nomenclature.
2. Specific carbon compounds discussed include ethanol, ethanoic acid, and soaps. Reactions of ethanol and ethanoic acid with substances like sodium, chlorine, and alcohols are described.
3. Soaps are introduced as cleansing agents made of sodium or potassium salts of long chain carboxylic acids. Their structure allows them to interact with both water and oils/fats.
- The elements in Group 15 show increasing covalent radius and decreasing ionization energy down the group, due to additional shells. Nitrogen behaves anomalously due to small size and high electronegativity.
- They form trihydrides (MH3), trioxides (M2O3), and pentoxides (M2O5) with decreasing acidity down the group. They also form trihalides and pentahalides.
- Oxygen is industrially produced from air or water and is essential for respiration and combustion. Ozone is a reactive allotrope produced from oxygen that is used for sterilization and bleaching.
The document discusses chemical bonding, including:
1. Defining ionic and covalent bonding, and explaining how different types of bonds are formed through electron sharing or transfer.
2. Describing the properties of ionic and covalent compounds, such as high melting points for ionic solids and variable states of matter for covalent substances.
3. Illustrating examples of single, double, and triple covalent bonds through Lewis dot structures of molecules like H2, O2, and N2.
1) Crude oil is a mixture of hydrocarbons formed from the remains of ancient plants and animals over millions of years under high pressure and temperature conditions underground.
2) Fractional distillation is used to separate crude oil into different hydrocarbon fractions like gasoline, kerosene and diesel in a fractionating column based on their boiling points.
3) Short hydrocarbon fractions are collected at the top of the fractionating column while longer fractions are collected at the bottom during the fractional distillation process.
This document discusses the electrolysis of brine solution (concentrated NaCl) to produce sodium hydroxide and chlorine gas. During electrolysis, sodium and hydrogen ions move to the cathode while chlorine and hydroxide ions move to the anode. At the cathode, only hydrogen ions are discharged to form hydrogen gas. At the anode, chlorine ions are discharged to form chlorine gas, leaving behind a solution of sodium hydroxide. A diaphragm cell is used to separately collect the chlorine gas and sodium hydroxide solution produced. Sodium hydroxide has uses including in soap production and paper making. Chlorine gas has uses as a bleaching agent and to produce hydrochlor
1) Metals react with oxygen to form metal oxides, with reactivity varying between metals. The most reactive metals, such as sodium and potassium, burn vigorously while copper is the least reactive.
2) Metals also react with water and acids, producing hydrogen gas and salt solutions. More reactive metals like sodium and potassium react violently with water, while less reactive metals do not react or react slowly.
3) When metals react with non-metals, they form ionic compounds through transfer of electrons from the metal to the non-metal. Ionic compounds have high melting points, are brittle solids, and dissolve in water but not organic solvents.
The document discusses chemical bonding and Lewis structures. It begins by defining a chemical bond as the force that holds atoms together, and discusses how atoms combine or share electrons to form ionic or covalent bonds. It then explains Lewis structures, showing how to draw the Lewis dot symbols and structures for various molecules by placing the atoms and distributing electrons to achieve full octets. Exceptions to the octet rule are also noted. Hybridization and theories of covalent bonding such as valence bond theory are introduced.
Carbon and its compounds ncert shashikumar b sghsykhalli
This document provides an overview of carbon and its compounds. It discusses carbon's position in the periodic table, its tetravalency, and ability to form catenated structures through covalent bonds. It describes the different types of isomers and classifications of hydrocarbons. Key carbon compounds like ethanol, ethanoic acid and their reactions are explained. Soaps and detergents are discussed in terms of their structures and cleansing mechanisms. Functional groups and their impact on naming conventions are also summarized.
This is an effort to make ppt of p block elements , a topic in XII, chemistry(cbse) , whom as a tutor i have often felt students are horrified due to its large text size, long descriptipns, several information to be remembered and several reasonings to keep in mind.
Hope this ppt would solve thier problem of a thorough preparation of topic with all important aspects covered in the ppt.
Founder Dr Mona Srivastava
Masterchemclasses
1) Carbon forms covalent bonds by sharing electrons and has a valency of 4. It can form single, double, and triple bonds.
2) Carbon compounds exhibit isomerism due to different structural arrangements of carbon atoms. Functional groups determine properties of carbon compounds.
3) Important carbon compounds include ethanol, an alcohol, and ethanoic acid, a carboxylic acid. Ethanol and ethanoic acid undergo reactions like esterification, saponification, and reactions with bases.
Carbon forms a vast number of compounds due to its ability to form chains, rings, and bonds with many other elements. It most commonly forms four covalent bonds in which it shares electrons with other atoms. This allows carbon to link together in chains and rings to form hydrocarbons and many other compounds containing functional groups. Some important carbon compounds include ethanol, used in alcoholic drinks and medicines, and ethanoic acid, also known as acetic acid which is found in vinegar. Soaps and detergents are used for cleaning and are made from carboxylic acids or sulphonic acids which allow them to dissolve dirt through micelle formation.
Ncert class 10 - science - chapter 3 - metals and non-metalsEswariKumaravel
The document discusses the properties of metals and non-metals. It describes how metals are lustrous, malleable, ductile, and good conductors of heat and electricity, while non-metals lack these properties. Experiments are presented to demonstrate that metals are lustrous, hard except for a few, malleable by hammering into thin sheets, and ductile by pulling into wires. Other experiments show that metals conduct heat by melting wax and conduct electricity by lighting a bulb. The document contrasts how metals and non-metals react with oxygen, water, acids, and how metals react in salt solutions in displacement reactions.
HOW DO ORGANISMS REPRODUCE CH-8 ,class-10.pptxbablivashisht
Reproduction allows organisms to produce new individuals of the same species in order to ensure species survival. During reproduction, DNA is copied and passed from parents to offspring, resulting in slight variations between offspring that are important for species evolution and survival amid environmental changes. There are two main types of reproduction: asexual, where new individuals arise from a single parent through processes like budding and fission, and sexual, which involves two parents fusing male and female reproductive cells. In humans, sexual reproduction occurs through internal fertilization, where sperm from the male fertilizes an egg from the female inside her reproductive system, leading to embryo development and birth after nine months of pregnancy.
This document provides information about ecosystems and the environment. It discusses how human activities produce waste that pollutes the air, water and soil. It describes biodegradable and non-biodegradable waste. It also explains the components of an ecosystem like producers, consumers and decomposers. Additionally, it covers topics like food chains, food webs, trophic levels, energy flow between trophic levels, and biological magnification. Finally, it discusses how human activities like the use of CFCs damage the ozone layer and the importance of proper garbage disposal.
Chapter 3.metals and non metals priya jhaPriya Jha
An element is the simplest form of matter that cannot be split into simpler substances or built from simpler substances by any ordinary chemical or physical method. There are 118 elements known to us, out of which 92 are naturally occurring, while the rest have been prepared artificially. Elements are further classified into metals, non-metals, and metalloids based on their properties, which are correlated with their placement in the periodic table.Metals
With the exception of hydrogen, all elements that form positive ions by losing electrons during chemical reactions are called metals. Thus metals are electropositive elements with relatively low ionization energies. They are characterized by bright luster, hardness, ability to resonate sound and are excellent conductors of heat and electricity. Metals are solids under normal conditions except for Mercury.Nonmetals
Elements that tend to gain electrons to form anions during chemical reactions are called non-metals. These are electronegative elements with high ionization energies. They are non-lustrous, brittle and poor conductors of heat and electricity (except graphite). Non-metals can be gases, liquids or solids.Metalloids
Metalloids have properties intermediate between the metals and nonmetals. Metalloids are useful in the semiconductor industry. Metalloids are all solid at room temperature. They can form alloys with other metals. Some metalloids, such as silicon and germanium, can act as electrical conductors under the right conditions, thus they are called semiconductors. Silicon for example appears lustrous, but is not malleable nor ductile (it is brittle - a characteristic of some nonmetals). It is a much poorer conductor of heat and electricity than the metals. The physical properties of metalloids tend to be metallic, but their chemical properties tend to be non-metallic. The oxidation number of an element in this group can range from +5 to -2, depending on the group in which it is located.
A complete summary of the chapter carbon and its compounds. Every topic has been discussed effectively and provided with pictures for further reference.
THE RSE OF NATIONALISM IN EUROPE FOR CBSE CLASS 10 STUDENTS THIS IS THEBEST PPT BY ME FOR MORE BEST JUST EDIT IT IN YOUR WAY YOU CAN DOWNLOAD THIS AND FRIENDS DON'T FORGET TO LIKE IT IF YOU LIKE THIS JUST FOLLOE ON saqlainmemon776@gmail.com in slideshare.
DON'T FORGET TO SHARE......................................
Chapter - 5, Periodic Classification of Elements, Science, Class 10Shivam Parmar
I have expertise in making educational and other PPTs. Email me for more PPTs at a very reasonable price that perfectly fits in your budget.
Email: parmarshivam105@gmail.com
Chapter-5, Periodic Classification of Elements, Science Class10
CLASSIFICATION
DOBEREINER’S TRIAD
LIMITATIONS
NEWLAND’S LAW OF OCTAVES
CHARACTERISTICS OF LAW OF OCTAVES
LIMITATIONS OF NEWLANDS LAW OF OCTAVES
MENDELEEV’S PERIODIC TABLE
PROPERTIES OF GROUPS STUDIED BY MENDELEEV
LIMITATIONS OF MENDELEEV’S PERIODIC TABLE
MERITS OF MENDELEEV’S PERIODIC CLASSIFICATION
MODERN PERIODIC LAW
PROPERTIES OF MODERN PERIODIC TABLE
NOBLE GASES
POSITION OF ELEMENTS IN THE MODERN PERIODIC -TABLE
METALS
NON-METALS
METALLOIDS
TRENDS IN MODERN PERIODIC TABLE
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
By Shivam Parmar (Entrepreneur & Teacher)
Myself being as a class 10 CBSE student; I understand the difficulties faced by the students.
so refer this presentation to have a well understanding over a difficult chapter.
PLEASE DO FOLLOW ME FOR FURTHER UPDATES!!
1. The document discusses carbon compounds and their properties. It covers hydrocarbons, saturated and unsaturated compounds, functional groups, and nomenclature.
2. Specific carbon compounds discussed include ethanol, ethanoic acid, and soaps. Reactions of ethanol and ethanoic acid with substances like sodium, chlorine, and alcohols are described.
3. Soaps are introduced as cleansing agents made of sodium or potassium salts of long chain carboxylic acids. Their structure allows them to interact with both water and oils/fats.
- The elements in Group 15 show increasing covalent radius and decreasing ionization energy down the group, due to additional shells. Nitrogen behaves anomalously due to small size and high electronegativity.
- They form trihydrides (MH3), trioxides (M2O3), and pentoxides (M2O5) with decreasing acidity down the group. They also form trihalides and pentahalides.
- Oxygen is industrially produced from air or water and is essential for respiration and combustion. Ozone is a reactive allotrope produced from oxygen that is used for sterilization and bleaching.
The document discusses chemical bonding, including:
1. Defining ionic and covalent bonding, and explaining how different types of bonds are formed through electron sharing or transfer.
2. Describing the properties of ionic and covalent compounds, such as high melting points for ionic solids and variable states of matter for covalent substances.
3. Illustrating examples of single, double, and triple covalent bonds through Lewis dot structures of molecules like H2, O2, and N2.
1) Crude oil is a mixture of hydrocarbons formed from the remains of ancient plants and animals over millions of years under high pressure and temperature conditions underground.
2) Fractional distillation is used to separate crude oil into different hydrocarbon fractions like gasoline, kerosene and diesel in a fractionating column based on their boiling points.
3) Short hydrocarbon fractions are collected at the top of the fractionating column while longer fractions are collected at the bottom during the fractional distillation process.
This document discusses the electrolysis of brine solution (concentrated NaCl) to produce sodium hydroxide and chlorine gas. During electrolysis, sodium and hydrogen ions move to the cathode while chlorine and hydroxide ions move to the anode. At the cathode, only hydrogen ions are discharged to form hydrogen gas. At the anode, chlorine ions are discharged to form chlorine gas, leaving behind a solution of sodium hydroxide. A diaphragm cell is used to separately collect the chlorine gas and sodium hydroxide solution produced. Sodium hydroxide has uses including in soap production and paper making. Chlorine gas has uses as a bleaching agent and to produce hydrochlor
1) Metals react with oxygen to form metal oxides, with reactivity varying between metals. The most reactive metals, such as sodium and potassium, burn vigorously while copper is the least reactive.
2) Metals also react with water and acids, producing hydrogen gas and salt solutions. More reactive metals like sodium and potassium react violently with water, while less reactive metals do not react or react slowly.
3) When metals react with non-metals, they form ionic compounds through transfer of electrons from the metal to the non-metal. Ionic compounds have high melting points, are brittle solids, and dissolve in water but not organic solvents.
The document discusses chemical bonding and Lewis structures. It begins by defining a chemical bond as the force that holds atoms together, and discusses how atoms combine or share electrons to form ionic or covalent bonds. It then explains Lewis structures, showing how to draw the Lewis dot symbols and structures for various molecules by placing the atoms and distributing electrons to achieve full octets. Exceptions to the octet rule are also noted. Hybridization and theories of covalent bonding such as valence bond theory are introduced.
Carbon and its compounds ncert shashikumar b sghsykhalli
This document provides an overview of carbon and its compounds. It discusses carbon's position in the periodic table, its tetravalency, and ability to form catenated structures through covalent bonds. It describes the different types of isomers and classifications of hydrocarbons. Key carbon compounds like ethanol, ethanoic acid and their reactions are explained. Soaps and detergents are discussed in terms of their structures and cleansing mechanisms. Functional groups and their impact on naming conventions are also summarized.
This is an effort to make ppt of p block elements , a topic in XII, chemistry(cbse) , whom as a tutor i have often felt students are horrified due to its large text size, long descriptipns, several information to be remembered and several reasonings to keep in mind.
Hope this ppt would solve thier problem of a thorough preparation of topic with all important aspects covered in the ppt.
Founder Dr Mona Srivastava
Masterchemclasses
1) Carbon forms covalent bonds by sharing electrons and has a valency of 4. It can form single, double, and triple bonds.
2) Carbon compounds exhibit isomerism due to different structural arrangements of carbon atoms. Functional groups determine properties of carbon compounds.
3) Important carbon compounds include ethanol, an alcohol, and ethanoic acid, a carboxylic acid. Ethanol and ethanoic acid undergo reactions like esterification, saponification, and reactions with bases.
Carbon forms a vast number of compounds due to its ability to form chains, rings, and bonds with many other elements. It most commonly forms four covalent bonds in which it shares electrons with other atoms. This allows carbon to link together in chains and rings to form hydrocarbons and many other compounds containing functional groups. Some important carbon compounds include ethanol, used in alcoholic drinks and medicines, and ethanoic acid, also known as acetic acid which is found in vinegar. Soaps and detergents are used for cleaning and are made from carboxylic acids or sulphonic acids which allow them to dissolve dirt through micelle formation.
Carbon forms a very large number of compounds due to its ability to form catenated chains, branched chains, and closed rings through covalent bonding. Carbon can form single, double, and triple covalent bonds with other carbon atoms as well as bonds with hydrogen and other elements. This variability leads to over 3 million known carbon compounds ranging from hydrocarbons like methane to more complex compounds like ethanol and ethanoic acid that have important properties and uses. The structure and properties of carbon compounds can be understood through electron dot diagrams, functional groups, homologous series, and characteristics like saturation, isomerism, and reactions like combustion, addition, and substitution.
Carbon and its compounds are discussed in the document. Carbon forms covalent bonds by sharing electrons and exhibits catenation, forming chains and rings. This allows carbon to form a large number of compounds, including hydrocarbons. Isomerism arises when compounds have the same molecular formula but different structural formulas. Important carbon compounds include ethanol, ethanoic acid, soaps and detergents. Soaps clean using micelles but don't work in hard water, while detergents do not have this issue.
Carbon is found in many forms including diamond, graphite and fullerenes. It forms the basis of all known life and is present in many fuels. Carbon has 4 valence electrons and forms covalent bonds by sharing electrons with other atoms. This allows carbon to form chains, branches and rings, resulting in over 3 million known carbon compounds. Key properties of carbon include catenation, isomerism, and the ability to form various functional groups that determine a compound's properties. Important carbon compounds include ethanol, ethanoic acid and soaps.
1. The document is a science lesson about carbon that discusses its occurrence, bonding properties, and ability to form large numbers of compounds.
2. It explains that carbon forms covalent bonds by sharing electrons and can share 1, 2, or 3 pairs of electrons to form single, double, or triple bonds.
3. The document also discusses functional groups, homologous series of hydrocarbons including alkanes, alkenes and alkynes, and isomerism among carbon compounds.
Organic chemistry is the study of carbon compounds. Hydrocarbons are organic compounds composed entirely of carbon and hydrogen. There are two main types of hydrocarbons: aliphatic and aromatic. Aliphatic hydrocarbons can be classified as alkanes, alkenes, alkynes, or cycloalkanes depending on the presence of single, double, or triple carbon bonds. Alkanes contain only single bonds and follow the general formula CnH2n+2. Common reactions of alkanes include combustion and halogenation. Alkenes contain double bonds and have the formula CnH2n. They exhibit geometric isomerism and undergo addition reactions. Alkynes have triple bonds and the
This document provides a summary of Lesson 1 from an organic chemistry textbook chapter on carbon compounds. It covers 10 learning objectives related to the unique properties of carbon, isomers, functional groups, saturated vs unsaturated compounds, and IUPAC naming conventions. Key topics include how carbon can form multiple bonds and chains/rings, the importance of functional groups for classifying compounds, and systematic naming of organic molecules.
Carbon compounds can be classified based on their structure and bonding. The document discusses carbon bonding and different types of carbon compounds including hydrocarbons. Hydrocarbons are classified as saturated or unsaturated, and as alkanes, alkenes or alkynes depending on the presence of single, double or triple carbon-carbon bonds. Functional groups and homologous series are also introduced. Nomenclature of carbon compounds using IUPAC and common systems is explained.
The document provides an introduction to organic chemistry and hydrocarbons. It discusses how hydrocarbons are composed of only carbon and hydrogen and can be classified as alkanes, alkenes, alkynes, and arenes based on their bonding structure. Alkanes contain only single carbon-carbon bonds and include compounds such as methane and ethane. The structures, naming conventions, and properties of alkanes are described.
This document provides an overview of organic chemistry, including key topics such as:
- Organic compounds contain carbon and are found in many common materials.
- Organic chemistry is the study of organic compounds, their structures, properties, and reactions.
- Carbon atoms can form multiple bonds with other carbons, allowing for a large number of organic compounds.
- Hydrocarbons are organic compounds made of only carbon and hydrogen, and can be classified as aliphatic or aromatic.
K4 Organic Chemistry Alkanes And Alkenes (Includes Polymers)Sean Hunt
1) The document discusses organic chemistry concepts including alkanes, alkenes, cracking, and polymerization.
2) Alkanes are saturated hydrocarbons with the general formula CnH2n+2, while alkenes are unsaturated and contain carbon-carbon double bonds.
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Aldehydes and ketones contain the carbonyl group. Aldehydes are considered the most important functional group. Ketones A carbon double bonded to an oxygen is called a carbonyl group. Compounds in which the carbon of a carbonyl group is bonded to two other carbons
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In an education system, it is understood that assessment is only for the students, but on the other hand, the Assessment of teachers is also an important aspect of the education system that ensures teachers are providing high-quality instruction to students. The assessment process can be used to provide feedback and support for professional development, to inform decisions about teacher retention or promotion, or to evaluate teacher effectiveness for accountability purposes.
2. 1) Occurrence of carbon :-
i) Carbon is found in the atmosphere, inside the earth’s crust and in
all living organisms.
ii) Carbon is present in fuels like wood, coal, charcoal, coke, petroleum,
natural gas, biogas, marsh gas etc.
iii) Carbon is present in compounds like carbonates,
hydrogen carbonates etc.
iv) Carbon is found in the free state as diamond, graphite, fullerenes etc.
3. 2) Bonding in carbon – Covalent bond :-
X
X
X X
_
_
I
I
The atomic number of carbon is 6, its electronic arrangement is 2,4, it has 4
valence electrons. It can attain stability by gaining 4 electrons, losing 4
electrons or sharing 4 electrons with other atoms.
It does not gain 4 electrons because it is difficult for the 6 protons to hold 10
electrons.
It does not lose 4 electrons because it needs a large amount of energy to lose
4 electrons.
So it shares 4 electrons with other atoms to attain stability resulting in the
formation of covalent bonds.
Since carbon atom needs 4 electrons to attain stability, its valency is 4 and it
is tetravalent.
C C
4. 3) Formation of covalent bonds :-
Covalent bond is chemical bond formed by the sharing of electrons
between atoms.
The sharing of one pair of electrons results in the formation of single
covalent bond, sharing of two pairs of electrons results in the formation
of double covalent bond and sharing of three pairs of electrons results
in the formation of triple covalent bond.
Eg :- Formation of single covalent bond in Hydrogen
molecule - H2
The atomic number of hydrogen is 1, its electronic arrangement is 1, it
has 1 valence electron. It needs 1 electron more to attain stability. So
two hydrogen atoms share 1 pair of electrons resulting in the formation
of a single covalent bond in hydrogen molecule H2.
H x + x H H X X H H – H H2
5. Formation of double covalent bond in oxygen molecule - O2
The atomic number of oxygen is 8, its EC is 2,6, it has 6 VE, it needs 2
electrons more to attain stability. So two oxygen atoms share two
pairs of electrons resulting in the formation of a double covalent bond
in oxygen molecule O2
O + O O O O = O O2
Formation of triple covalent bond in Nitrogen molecule - N2
The atomic number of nitrogen is 7, its EC is 2,5, it has 5 VE, it needs
3 electrons more to attain stability. So two nitrogen atoms share three
pairs of electrons resulting in the formation of a triple covalent bond in
nitrogen molecule N2
N + N N N N Ξ N N2
X
X
X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6.
7. 4) Electron dot structures :-
Methane molecule – CH4 Ethane molecule – C2H6
H H H
H C H H C C H
H H H
H H H
I I I
H – C – H H – C – C – H
I I I
H H H
X
X
X X X
X
X
X
X
X X
X
8. 5) Formation of a very large number of carbon compounds :-
Carbon forms a very large number of compounds. The number of
carbon compounds is more than three million. It is more than the
number of compounds formed by all other elements. This is because :-
i) Carbon atom can form bonds with other carbon atoms to form long
chains, branched chains and closed rings. This property is called
catenation.
ii) Since the valency of carbon is 4, it can form bonds with other
carbon atoms or with atoms of other elements like hydrogen,
oxygen, nitrogen, halogens etc.
I
C
I I I I I I I I I I C
C – C – C – C – C – C C – C – C – C C C
I I I I I I I I I I C C
C C
I
Long chain Branched chain Closed ring
_
_
_ _
_ _
_ _
9. 6) Hydrocarbons, Saturated and Unsaturated hydrocarbons :-
i) Hydrocarbons :- are compounds containing carbon and hydrogen
atoms.
ii) Saturated hydrocarbons :- are hydrocarbons having all single
covalent bonds between the carbon atoms.
Eg : Alkanes :- have all single covalent bonds between the carbon
atoms and their names end with – ane.
H
I
Methane – CH4 H – C – H
I
H
H H
I I
Ethane – C2H6 H – C – C – H
I I
H H
10. iii) Unsaturated hydrocarbons :- are hydrocarbons having a double or
triple covalent bond between two carbon atoms. Eg : Alkenes and
Alkynes.
Alkenes :- have a double covalent bond between two carbon atoms.
and their names end with – ene.
H H H H
I I I I
Ethene - C2H4 C = C Propene – C3H6 H – C = C – C – H
I I I I
H H H H
Alkynes :- have a triple covalent bond between two carbon atoms
and their names end with – yne.
Ethyne – Ethyne – C2H2 H – C Ξ C – H
H
I
Propyne - C3H4 H – C Ξ C – C – H
I
H
11. 7) Isomerism :-
Carbon compounds having the same molecular formula but different
structural formulae are called isomers. This property is called isomerism.
Eg:- Butane – C4H10 has 2 isomers. They are Normal butane and Iso butane.
H H H H H H H
I I I I I I I
H – C – C – C – C – H H – C – C – C – H Iso butane
I I I I I I
H H H H H H
H – C – H
Normal butane I
H
Pentane – C5H12 has 3 isomers. They are Normal pentane, Iso pentane and Neo
pentane. Neo pentane
Iso pentane H
H I
I H – C – H
Normal pentane H – C – H H H
I I
H H H H H H H H H – C – C – C – H
I I I I I I I I I I
H – C – C – C – C – C – H H – C – C – C – C – H H H
I I I I I I I I I H – C – H
H H H H H H H H H I
H
12. 8) Functional groups :-
An atom or a group of atoms which decides the properties of a
carbon compound is called a functional group.
i) Halide ( Halo group) :- - Cl, - Br, etc. ( Names end with – ane )
Eg :- CH3Cl – Chloro methane, C2H5Br – Bromo ethane
ii) Alcohol :- - OH ( Names end with – ol )
Eg :- CH3OH – Methanol, C2H5OH – Ethanol
H
iii) Aldehyde :- - CHO - C ( Names end with – al )
O
Eg :- HCHO – Methanal, CH3CHO – Ethanal
O
II
iv) Carboxylic acid :- - COOH - C - OH (Names end with – oic acid )
Eg :- HCOOH – Methanoic acid, CH3COOH – Ethanoic acid
v) Ketone :- - CO - C - (Names end with – one )
II
O
Eg :- CH3COCH3 – Propanone , CH3COC2H5 - Butanone
13. 9) Homologus series :-
Homologus series is a group of carbon compounds having similar
structures, similar chemical properties and whose successive members
differ by a – CH2 group. Eg :- Alkanes, Alkenes, Alkynes etc.
Alkanes :- have general molecular formula CnH2n+2 . Their names end
with – ane and the members are as follows :-
Methane - CH4
Ethane - C2H6
Propane - C3H8
Butane - C4H10
Pentane - C5H12
H
I
Methane :– CH4 H – C – H
I
H
H H H H H
I I I I I
Ethane :– C2H6 H – C – C – H Propane – C3H8 H – C – C – C – H
I I I I I
H H H H H
14. Alkenes :-
Alkenes have general molecular formula CnH2n . Their names end
with – ene and the members are as follows :-
Ethene - C2H4
Propene - C3H6
Butene - C4H8
Pentene - C5H10
H H
I I
Ethene :- C2H4 C = C
I I
H H
H H H H H H H
I I I I I I I
Propene :- C3H6 H – C = C – C – H Butene :- C4H8 H – C = C – C – C – H
I I I
H H H
15. Alkynes :-
Alkynes have general molecular formula CnH 2n – 2 .Their names end with –
yne and the members are as follows :-
Ethyne - C2H2
Propyne - C3H4
Butyne - C4H6
Ethyne :- C2H2 H – C C – H
H
I
Propyne :- C3H4 H – C C – C – H
I
H
H H
I I
Butyne :- C4H6 H – C C – C – C – H
I I
H H
16. 10) Chemical properties of Carbon compounds :-
a) Combustion :-
Carbon compounds burn in oxygen to form water, carbon dioxide,
heat and light.
Eg :- C + O2 CO2 + heat + light
CH4 + 2O2 2H2O + CO2 + heat + light
C2H5OH + 3O2 3H2O + 2CO2 heat + light
b) Oxidation :-
Carbon compounds like alcohols are oxidised to carboxylic acids on
heating with oxidising agents like alkaline Potassium permanganate
– KMnO4 or acidic potassium dichromate - K2Cr2O7 .
Eg:- Alcohols are oxidised to Carboxylic acids
alkaline KMnO4 + heat
C2H5OH CH3COOH
Ethanol acidic K2Cr2O7 + heat Ethanoic acid
17. c) Addition reaction :-
Unsaturated hydrocarbons undergo addition reaction with hydrogen in the
presence of nickel or palladium as catalyst to form saturated hydrocarbons.
Eg:- Ethene undergoes addition reaction with hydrogen to form ethane in the
presence of nickel or palladium as catalyst.
Ni or Pd catalyst
C2H4 + H2 C2H6
H H H H
I I Ni or Pd catalyst I I
C = C + H2 H – C – C – H
I I I I
H H H H
The addition of hydrogen to unsaturated hydrocarbons to form saturated
hydrocarbons is called hydrogenation. Hydrogenation is used to convert
unsaturated oils and fats to saturated oils and fats.
d) Substitution reaction :-
Saturated hydrocarbons undergo substitution reaction with halogens to
form substitution products.
Eg :- Methane undergoes substitution reaction with chlorine in the presence
of sunlight to form substitution products.
CH4 + Cl2 CH3Cl + HCl CH3Cl + Cl2 CH2Cl2 + HCl
CH2Cl2 + Cl2 CHCI3 + HCl CHCI3 + Cl2 CCl4 + HCl
18. 11) Some important carbon compounds :-
a) ETHANOL :- C2H5OH - Ethyl alcohol
Properties :-
i) Ethanol is a colourless liquid with a pleasant smell and burning
taste.
ii) It is soluble in water.
iii) Ethanol reacts with sodium to form sodium ethoxide and hydrogen.
2C2H5OH + 2Na 2C2H5ONa + H2
iv) Ethanol reacts with hot conc. H2SO4 to form ethene and water. Conc.
H2SO4 is a dehydrating agent and removes water from ethanol.
conc. H2SO4
C2H5OH C2H4 + H2O
Uses :-
i) Ethanol is used for making alcoholic drinks.
ii) It is used as a solvent.
iii) It is used for making medicines like tincture iodine, cough syrups,
tonics etc.
19. b) ETHANOIC ACID :- CH3COOH – Acetic acid
Properties :-
i) Ethanoic acid is a colourless liquid with a pungent smell and sour taste.
ii) It is soluble in water.
iii) A solution of 5% to 8% ethanoic acid in water is called Vinegar.
iv) Esterification :-
Ethanoic acid reacts with ethanol to form the ester ethyl ethanoate in the presence
of conc. H2SO4.
conc.H2SO4
CH3COOH + C2H5OH CH3COOC2H5 + H2O
The reaction between carboxylic acid and alcohol to form an ester is called
esterification.
v) Saponification :-
When an ester reacts with sodium hydroxide solution, the sodium salt of the
carboxylic acid and the parent alcohol are formed. This reaction is called
saponification.
Eg :-Ethyl ethanoate reacts with sodium hydroxide to form sodium acetate and ethanol.
CH3COOC2H5 + NaOH CH3COONa + C2H5OH
vi) Ethanoic acid reacts with bases to form salt and water.
CH3COOH + NaOH CH3COONa + H2O
vii) Ethanoic acid reacts with carbonates and hydrogen carbonates to form salt, water
and carbon dioxide.
2CH3COOH + Na2CO3 2CH3COONa + H2O + CO2
CH3COOH + NaHCO3 CH3COONa + H2O + CO2
20. 12) Soaps and detergents :-
a) Soaps :- Soaps are long chain sodium or potassium salts of carboxylic
acids. Eg:- Sodium stearate – C17H35COONa
Structure of soap molecule :- A soap molecule has two parts. A long
hydrocarbon part which is hydrophobic (water repelling) and soluble in oil and
grease and a short ionic part which is hydrophyllic (water attracting) and
insoluble in oil and grease.
COO Na
+
Hydrocarbon part Ionic part
(Water repelling) (Water attracting)
Cleansing action of soap :- When soap is dissolved in water it forms
spherical structures called micelles. In each micelle the soap molecules are
arranged radially such that the HC part is towards the centre and the ionic part
is towards the outside. The HC part dissolves the dirt, oil and grease and forms
an emulsion at the centre of the micelles which can be washed away by water.
21.
22. b) Detergents :-
Detergents are long chain sodium salts of sulphonic acids.
Soaps do not wash well with hard water because it forms insoluble
precipitates of calcium and magnesium salts in hard water.
Detergents wash well with hard water because it does not form insoluble
precipitates of calcium and magnesium salts in hard water.
c) Differences between soaps and detergents :-
Soaps Detergents
i) Soaps are sodium salts of Detergents are sodium salts of
fatty acids. sulphonic acids.
ii) Soaps clean well in soft water but Detergents clean well with both
do not clean well in hard water. hard and soft water.
iii) Soaps do not clean as well as Detergents clean better than soaps.
detergents.
iv) Soaps are biodegradable and Some detergents are non biodegradable
do not cause pollution. and cause pollution.