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Identify the products formed at the electrodes and describe the observations during the electrolysis of aqueous copper(II) sulfate using inert carbon/graphite electrodes and when using copper electrodes.

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Cambridge IGCSE ChemistryElectrochemistrySupplement content

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Identify the products formed at the electrodes and describe the observations during the electrolysis of aqueous copper(II) sulfate using inert carbon/graphite electrodes and when using copper electrodes

  • This point belongs to Electrolysis, especially Electrolysis outcomes.
  • You need to be able to identify the products formed at the electrodes and describe the observations during the electrolysis of aqueous copper(II) sulfate using inert carbon/graphite electrodes and when using copper electrodes.
  • The key ideas to know are Identify and Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

IdentifyDescribe

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This objective helps connect Electrolysis outcomes to exam-style questions, flashcards, and revision notes for Electrolysis.

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Paper 4 structured question: Electrolysis

Paper 4Theory (Extended)1 marks

Description

Electrolysis Setup

In a laboratory, a beaker contains aqueous copper(II) sulfate. Two electrodes are submerged in the solution: one is made of graphite and the other of copper.

  1. a

    State the product formed at the cathode during the electrolysis with graphite electrodes.

    Aim for approximately 1 distinct marking point.

    [1]
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