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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Electrolysis

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Electrolysis

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Paper 4Theory (Extended)1 marks

Electrolysis of concentrated solutions

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Electrolysis of Potassium Bromide Solution

In the electrolysis of concentrated potassium bromide solution, the products formed at the electrodes need to be identified.

  1. a

    State the product formed at the cathode during the electrolysis of concentrated potassium bromide solution.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Electrolysis

Paper 4Theory (Extended)1 marks

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Electrolysis of Sodium Chloride Solution

During the electrolysis of a dilute sodium chloride solution, the products formed at the electrodes are of interest.

  1. a

    State the product formed at the anode during the electrolysis of dilute sodium chloride solution.

    Aim for approximately 1 distinct marking point.

    [1]