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5.2 Chemical cells and fuel cells

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Question 15
H

Some hydrogen fuel cells have an alkaline electrolyte that contains hydroxide ions, OH−\text{OH}^-OH−.

a.

Write the half equation for the reaction at the negative electrode of this fuel cell.

[1]
b.

Write the half equation for the reaction at the positive electrode of this fuel cell.

[1]
c.

Name the substance that is reduced in this fuel cell.

Explain your answer.

[2]
Markscheme

5.2 Chemical cells and fuel cells Questions

  1. GCSE
  2. /Chemistry
  3. /5.2 Chemical cells and fuel cells

40 exam-style questions on AQA GCSE Chemistry 5.2 Chemical cells and fuel cells, covering 5.2.1 Cells and batteries, 5.2.2a Fuel cells, and 5.2.2b Half equations for hydrogen fuel cells. Each one has a worked solution and a mark scheme showing where the marks go.

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