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Which of the following compounds turns w...

Which of the following compounds turns white on treatment with `H_2O_2`

A

HgS

B

PbS

C

NiS

D

CuS

Text Solution

Verified by Experts

O_3 is more powerful oxiding agent then `H_2O_2.SoH_2O_2` reduce O_3 to O_2
O_3+H_2O_2 rarr H_2O+2O_2` Hence (b) is the correct option
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