Learning objective

Identify the products generated at the electrodes and explain the observations during the electrolysis of: (a) molten lead(II) bromide, (b) concentrated aqueous sodium chloride, and (c) dilute sulfuric acid using inert electrodes like platinum or carbon/graphite.

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Exam focus

Cambridge IGCSE ChemistryElectrochemistryCore content

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Quick explanation

This point belongs to Electrolysis, especially Electrolysis outcomes.
You need to be able to identify the products generated at the electrodes and explain the observations during the electrolysis of: (a) molten lead(II) bromide, (b) concentrated aqueous sodium chloride, and (c) dilute sulfuric acid using inert electrodes like platinum or carbon/graphite.
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

Why it matters

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

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Paper 3Theory (Core)1 marks

Description

During the electrolysis of molten lead(II) bromide, lead is deposited at the cathode and bromine gas is released at the anode.

a
State the products formed at the electrodes during the electrolysis of molten lead(II) bromide.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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