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A 0.3 M HCl solution contains the follow...

A 0.3 M HCl solution contains the following ions `Hg^(++),Cd^(++),Sr^(++),Fe^(++)`. The addition of `H_(2)S` to above solution will precipitate

A

Cd, Cu and Hg

B

Cd, Fe and Sr

C

Hg, Cu and Fe

D

Cu, Sr and Fe

Text Solution

Verified by Experts

The correct Answer is:
A
The second group radicals will precipitate because their solubility product is very low so sulphates will be precipitated.
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