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H2S is passed through acidified solution...

`H_2S` is passed through acidified solution of `CuSO_4` and black ppt is formed. This is due to:

A

Oxidation of `Cu^(2+)`

B

Reduction of `Cu^(2+)`

C

Double decomposition

D

Reduction and oxidation

Text Solution

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The correct Answer is:
C
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