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H(2)S gas when passed through a solution...

`H_(2)S` gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative analysis but not those belonging to the fourth group because :

A

Sulphides of group IV cations are unstable in HCI

B

Presence of HCI decreases sulphide ion concentration

C

Solubility product of group II sulphides is more than that of group IV sulphides.

D

Presence of HCI increases sulphide ion concentration.

Text Solution

Verified by Experts

The correct Answer is:
B
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