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Which of the following pairs is not dist...

Which of the following pairs is not distinguished by passing `H_2 S`?

A

Hg,Pb

B

Cd,Pb

C

As,Cd

D

Zn,Mn

Text Solution

Verified by Experts

Both `Hg^(2+)` and `Pb^(2+)` give black ppt. with `H_(2)S` in group II A
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