In the reaction 2Ag + 2H2SO4→Ag2SO4 + 2H2O +

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Question

In the reaction

2 A g + 2 H_{2} S O_{4} \to A g_{2} S O_{4} + 2 H_{2} O + S O_{2}

sulphuric acid acts as

Options:

A . An oxidizing agent

B . A reducing agent

C . A catalyst

D . An acid as well as an oxidant

Answer: Option A
:
A
The sulphur in

H_{2} S O_{4}

gets reduced from a +6 oxidation state to +4 in

S O_{2}

.
Also, we see that

A g^{0}

becomes

A g^{+ 1}

.
This shows that sulphur has gained electrons and got reduced thereby oxidizing others.
So

H_{2} S O_{4}

acts as an oxidizing agent.

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