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Physical and Chemical Properties of Hydrogen

Copper during...

Question

Copper during the preparation of copper sulfate acts as:

A

oxidising agent

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B

reducing agent

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C

dehydrating agent

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D

both B and C

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Solution

The correct option is B reducing agent
$C u$ oxidise from 0 to +2 hence it is reducing agent.

S reduce from +6 to +4 hence it is an oxidising agent

$C u (g) + H_{2} S O_{4} (l) \to C u S O_{4} (a q) + S O_{2} (g) + 2 H_{2} O (l)$

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