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ScotlandChemistryQuick questions

Area 1: Chemical Changes and Structure

Quick questions on Oxidising and reducing agents: redox and half-equations - SQA Higher Chemistry

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Write the ion-electron half-equation for the oxidation of iron(II) to iron(III). [1 mark]
What is q2?
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In a reaction, zinc displaces copper from copper(II) sulfate. Identify the reducing agent. [1 mark]
What is q3?
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20.0 cm320.0 \text{ cm}^3 of iron(II) solution needs 16.0 cm316.0 \text{ cm}^3 of 0.0200 mol l10.0200 \text{ mol l}^{-1} permanganate. Calculate the iron(II) concentration. [3 marks]

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