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EnglandChemistryQuick questions

Module 2: Foundations in chemistry (2.1.5 Redox)

Quick questions on Redox (2.1.5) - OCR A-Level Chemistry A

2short 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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Deduce the oxidation number of sulfur in H2SO3\text{H}_2\text{SO}_3. [1 mark]
What is q2?
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In Zn+CuSO4→ZnSO4+Cu\text{Zn} + \text{CuSO}_4 \rightarrow \text{ZnSO}_4 + \text{Cu}, identify the reducing agent and justify your answer. [2 marks]

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