REDOX C3 BY AK1.pptx
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This document discusses redox reactions and oxidation states. It defines redox as the transfer of electrons between reactants or oxidation and reduction. It explains that oxidation states indicate how many electrons are gained, lost, or shared by an atom in a compound. Oxidation states follow rules like elements in their free state have an oxidation state of 0 and the total oxidation states of atoms in a compound or polyatomic ion equal the overall charge. The document also introduces the oxidation scale, which shows the change in oxidation state during oxidation or reduction reactions.
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REDOX C3 BY AK1.pptx
- 1. REDOX REACTIONS Redox Sharing is a phenomenon which multiply your abilities.Asia Khawar 1
- 2. WHAT IS MEANT BY REDOX? WATCH THIS 2 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 3. REDOX IN OUR DAILY LIFE 3 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 4. REDOX REACTION IN DAILY LIFE 4 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 5. MORE EXAMPLES 5 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 6. To find and identify that which reaction is redox reaction we need to know oxidation states and scale Oxidation state ■ Oxidation state tells you how many electrons each atom of an element has gained, lost, or shared, in forming a compound. ■ The oxidation state helps you to keep track of the movement of electrons in a redox process. ■ It is written as a +/- sign followed by a number. ■ E.g: O2- means that it is an atom of oxygen that has an oxidation state of -2. 6 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 7. The rules for oxidation states Rule no 1. The oxidation state of a free element is zero 7 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 8. The rules for oxidation states Rule no 2. The oxidation state of simple ion is the same as the charge on the ion 8 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 9. The rules for oxidation states Rule no 3.The oxidation state of the atoms present in the formula of a compound add up to zero. 9 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 10. The rules for oxidation states RULE NO 4.The total number of oxidation states of the atoms in a polyatomic ion equal to the charge on the ion 10 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 11. Find 11 Sharing is a phenomenon which multiply your abilities.Asia Khawar
- 12. NOW WHAT IS OXIDATION SCALE Sharing is a phenomenon which multiply your abilities.Asia Khawar 12
- 13. Oxidation scale tells us change in oxidation state Sharing is a phenomenon which multiply your abilities.Asia Khawar 13 oxidation state of MnO4 -1 +7 Charge on Mn+2 is the oxidation number of Mn +2 Reduction decrease in oxidation number
- 14. Reodx Sharing is a phenomenon which multiply your abilities.Asia Khawar 14 Dear students Worksheet related to each slide is attached here You can practice and ask as many question as you can ask to clarify your concept. Hope to see you soon in our school. God bless you Till then Stay home , stay safe and Hope for the best.