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Question

In the reaction 2Ag+2H2SO4Ag2SO4+2H2O+SO2, H2SO4 acts as

A
Reducing agent
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B
Hydrolysing agent
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C
Dehydrating agent
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D
Oxidizing agent
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Solution

The correct option is D Oxidizing agent
In reaction : 2Ag+H2SO4Ag2SO4+SO2+2H2O
oxidation number of S changes from +6 in H2SO4 to +4 in +SO2
This shows oxidizing property of H2SO4.

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