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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

both (a) and (b)

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
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