School Chemistry notes: Index of my notes on electrolysis and batteries-cells

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INDEX of ELECTROCHEMISTRY revision notes on electrolysis, cells, experimental methods, apparatus, batteries, fuel cells and industrial applications of electrolysis  (re-edit)

(Doc Brown's chemistry notes suitable for AQA, Edexcel and OCR GCSE level or Advanced level chemistry students US grades 9-12)


1. Introduction to electrolysis - electrolytes, non-electrolytes, electrode products and equations, apparatus for investigations

2. Electrolysis of acidified water (dilute sulfuric acid) plus electrolysis of metal sulfate salts and alkalis like sodium hydroxide

3. Electrolysis of sodium chloride (brine),  sodium bromide and potassium iodide aqueous solutions and molten salts

4. Electrolysis of copper(II) sulfate solution and uses of electroplating

5. Electrolysis of molten lead(II) bromide and other molten ionic compounds (see also Part 3. above)

6. Electrolysis of copper(II) chloride solution

7. Electrolysis of hydrochloric acid

8. and 9. Summary of electrode equations and products

10. Simple cells (batteries) - simple experiments - relate to reactivity of metals series

11. Fuel Cells e.g. the hydrogen - oxygen fuel cell

See separate page for Electrolysis calculations - calculating quantities of products formed

Electrolysis Quiz (GCSE 9-1 HT Level (harder)

Electrolysis Quiz (GCSE 9-1 FT Level (easier)

ALL my GCSE Level (~US grade 8-10) School Chemistry Notes  (ages ~14-16)

ALL my Advanced Level pre-university Chemistry Notes  (ages ~17-18)

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LINKS to Industrial Process Pages involving electrolysis

12. The electrolysis of molten aluminium oxide - extraction of aluminium from bauxite ore & anodising aluminium to thicken and strengthen the protective oxide layer

13. The extraction of sodium from molten sodium chloride using the 'Down's Cell'

14. The purification of copper by electrolysis

15. The purification of zinc by electrolysis

16. Electroplating coating conducting surfaces with a metal layer

17. Electrolysis of brine (NaCl(aq)) for the production of chlorine, hydrogen and sodium hydroxide

AND 18. Electrolysis calculations - quantities of products - atom economy


(for UK A level, IB and US grades 11-12 k12 honors)

(Definitely NOT for GCSE/IGCSE/O level students)

Part 7.1 Redox equilibria, half-cell reactions and electrode potentials

Part 7.2 click me! Simple cells - notation and construction

Part 7.3 click me! The hydrogen electrode and standard conditions

Part 7.4 click me! Half-cell potentials, Electrochemical Series and using Eθcell for reaction feasibility

Part 7.5 click me! Electrochemical cells ('batteries') and fuel cell systems

Part 7.6 click me! Electrolysis and the electrochemical series

Part 7.7 click me! Exemplar Questions, Appendix 1. The Nernst Equation, Appendix 2 Free Energy, Cell Emf and Kc

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