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ZIMSEC A-Level Chemistry

6.1.6Electrochemistry

Electrochemistry in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic150 practice questions7 lessons

Overview

Form 5 (redox, electrode potentials, electrolysis) and Form 6 (redox titration, fuel cells, quantitative electrolysis).

In this topic

Lessons

  • Redox: oxidation numbers, oxidising and reducing agents

    40 min

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  • Standard electrode potentials and cell potentials

    50 min

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  • Electrolysis: predicting the products

    40 min

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  • Industrial electrolysis: aluminium, chlorine and metal refining

    40 min

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  • Redox titrations and transition-element redox chemistry

    50 min

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  • Fuel cells

    35 min

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  • Quantitative electrolysis and the Faraday constant

    45 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Electrochemistry: sample question

1 mark

Why is a platinum electrode used in the half-cell FeX3+(aq)+eX−⇌FeX2+(aq)\ce{Fe^3+(aq) + e- <=> Fe^2+(aq)}?

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