IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent
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IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent

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IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent

IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent

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IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent IB Chemistry on Displacement Reaction, Reactivity Series, Redox, Oxidising and Reducing agent Presentation Transcript

  • Video Tutorial on ReactivitySeries, Displacementreaction, Oxidation, Reduction, Oxidizingand Reducing Agent. Prepared by Lawrence Kok http://lawrencekok.blogspot.com
  • Video on Reactivity Series and Redox Redox reaction on gallium beating heart Oxidizing agent using potassium chlorateIB Chemistry Redox half reaction Iron extraction with Thermite Iron extraction with thermite
  • Reactivity Series• Metals are arranged according to their ability to lose electrons forming +ve ions• Measure the tendency of metals in losing electrons ( undergo oxidation)• Metals – lose electrons – forming electropositive ions – Oxidation Process Reactive metals Less Reactive metals
  • Reactivity Series • Metals are arranged according to their ability to lose electrons forming +ve ions • Measure the tendency of metals in losing electrons ( undergo oxidation) • Metals – lose electrons – forming electropositive ions – Oxidation Process Reactive metalsMetals – Strong Reducing AgentMetals – High ↑ Tendency to lose e Metal ions – Strong Oxidising Agent Metal ions – High ↑ Tendency to gain e Less Reactive metals
  • Reactivity Series • Metals are arranged according to their ability to lose electrons forming +ve ions • Measure the tendency of metals in losing electrons ( undergo oxidation) • Metals – lose electrons – forming electropositive ions – Oxidation ProcessPotassium metal, K• Strong Reducing Agent• High ↑ Tendency to lose e Gold metal Au • Weak Reducing Agent • Low ↓ Tendency to lose e
  • Reactivity Series • Metals are arranged according to their ability to lose electrons forming +ve ions • Measure the tendency of metals in losing electrons ( undergo oxidation) • Metals – lose electrons – forming electropositive ions – Oxidation ProcessPotassium metal, K Potassium ion K+• Strong Reducing Agent • Weak Oxidising Agent• High ↑ Tendency to lose e • Low ↓ Tendency to gain e Gold ion Au+ Gold metal Au • Weak Reducing Agent • Strong Oxidising Agent • High ↑ Tendency to gain e • Low ↓ Tendency to lose e
  • Reactivity Series for Metals • Metals are arranged according to their ability to lose electrons forming +ve ions • Measure the tendency of metals in losing electrons ( undergo oxidation) • Metals – lose electrons – forming electropositive ions – Oxidation Process Strong Reducing AgentPotassium metal, K Potassium ion K+• Strong Reducing Agent • Weak Oxidising Agent• High ↑ Tendency to lose e • Low ↓ Tendency to gain e Gold ion Au+ Gold metal Au • Weak Reducing Agent • Strong Oxidising Agent • High ↑ Tendency to gain e • Low ↓ Tendency to lose e Strong Oxidising Agent
  • Displacement of copper by a more reactive metal• Reactive metal displaces less reactive metal from its salt solution• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its solution Zinc metal ( more reactive) Copper metal ( less reactive) Zn oxidised to Zn 2+ Cu 2+ reduced to Cu
  • Displacement of copper by a more reactive metal• Reactive metal displaces less reactive metal from its salt solution• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its solution Zinc metal ( more reactive) Copper metal ( less reactive) Zn oxidised to Zn 2+ Cu 2+ reduced to Cu
  • Displacement of silver by a more reaction metal• Reactive metal displaces less reactive metal from its salt solution• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its solution Copper metal (more reactive) Silver metal (less reactive) Cu oxidised to Cu 2+ Ag+ reduced to Ag
  • Displacement of silver by a more reaction metal• Reactive metal displaces less reactive metal from its salt solution• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its solution Copper metal (more reactive) Silver metal (less reactive) Cu oxidised to Cu 2+ Ag+ reduced to Ag
  • Displacement of HYDROGEN gas from acid by reactive metal• Reactive metal displaces less reactive hydrogen from acids• More electropositive metal ↑ in reactivity series displaces less ↓ reactive hydrogen from acids Zinc metal (more reactive) Hydrogen (less reactive) Zn oxidised to Zn 2+ H+ reduced to H2
  • Displacement of HYDROGEN gas from acid by reactive metal• Reactive metal displaces less reactive hydrogen from acids• More electropositive metal ↑ in reactivity series displaces less ↓ reactive hydrogen from acids Zinc metal (more reactive) Hydrogen (less reactive) Zn oxidised to Zn 2+ H+ reduced to H2
  • Displacement of HYDROGEN gas from acid by reactive metal• Reactive metal displaces less reactive hydrogen from acids• More electropositive metal ↑ in reactivity series displaces less ↓ reactive hydrogen from acids Hydrogen (more reactive) Fe, Pb, Cu, Hg (less reactive) Is there reaction between Hydrogen from HCI with Fe, Pb, Cu, Hg ?
  • Displacement of HYDROGEN gas from acid by reactive metal• Reactive metal displaces less reactive hydrogen from acids• More electropositive metal ↑ in reactivity series displaces less ↓ reactive hydrogen from acids Hydrogen (more reactive) Fe, Pb, Cu, Hg (less reactive) Is there reaction between Hydrogen from HCI with Fe, Pb, Cu, Hg ? No displacement between less reactive metal with acid
  • Displacement of Iron from its ores (metal oxide) using Carbon/Al• Reactive metal displaces less reactive metal from its ores• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its ores Aluminium (more reactive) Carbon (more reactive) Iron (less reactive) Iron extraction using Aluminium Iron extraction using Carbon Al + Fe2O3 → Al2O3 + 2Fe C + Fe2O3 → 3CO + 2Fe
  • Displacement of Iron from its ores (metal oxide) using Carbon/Al• Reactive metal displaces less reactive metal from its ores• More electropositive metal ↑ in reactivity series displaces less ↓ electropositive metal from its ores Aluminium (more reactive) Carbon (more reactive) Iron (less reactive) Iron extraction using Aluminium Iron extraction using Carbon Al + Fe2O3 → Al2O3 + 2Fe C + Fe2O3 → 3CO + 2Fe
  • Reactivity Series for Group 7• Group 7 (halogen) are arranged to their ability to GAIN electrons forming –ve ions• Measure the tendency of non-metal in gaining electrons.• Non-metals – GAIN electrons – forming electronegative ions (REDUCTION process)Halogen• Strong Oxidising Agent• High ↑ Tendency to gain e Halide ion • Strong Reducing Agent • High ↑ Tendency to lose e Strong Oxidising Agent Strong Reducing Agent
  • Reactivity Series for Group 7• Group 7 (halogen) are arranged to their ability to GAIN electrons forming –ve ions• Measure the tendency of non-metal in gaining electrons.• Non-metals – GAIN electrons – forming electronegative ions (REDUCTION process)Halogen• Strong Oxidising Agent• High ↑ Tendency to gain e Halide ion • Strong Reducing Agent • High ↑ Tendency to lose eHalogen, Fluorine• Strong Oxidising Agent• High ↑ Tendency to gain e• Due to small size + High ↑ EN value Strong Oxidising Agent Strong Reducing Agent Halide, Iodide • Strong Reducing Agent • High ↑ Tendency to lose e • Due to increase in size + low ↓ EN value
  • Displacement of halogen by a more reactive halogen• Reactive halogen displaces less reactive halogen from its halide solution• More electronegative halogen ↑ displaces less ↓ electronegative halogen from its halide solution Chlorine (more reactive) Bromine (less reactive) Br- oxidised to Br2 CI2 reduced to CI-
  • Displacement of halogen by a more reactive halogen• Reactive halogen displaces less reactive halogen from its halide solution• More electronegative halogen ↑ displaces less ↓ electronegative halogen from its halide solution Chlorine (more reactive) Bromine (less reactive) Br- oxidised to Br2 CI2 reduced to CI-
  • Video on Reactivity Series and Redox Redox reaction on gallium beating heart Oxidizing agent using potassium chlorateIB Chemistry Redox half reaction Iron extraction with Thermite Iron extraction with thermite
  • AcknowledgementsThanks to source of pictures and video used in this presentationThanks to Creative Commons for excellent contribution on licenseshttp://creativecommons.org/licenses/Prepared by Lawrence KokCheck out more video tutorials from my site and hope you enjoy this tutorialhttp://lawrencekok.blogspot.com