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An aqueous solution of a substance gives...

An aqueous solution of a substance gives a white precipitate on treatment with dilute hydrochloric acid, which dissolves on heating. When hydrogen sulphide is passed through the hot acidic solution, a black precipitate is obtained. The substance is a :

A

`Hg_(2)^(2+)` salt

B

`Cu^(2+)`

C

`Ag^(+)` salt

D

`Pb^(2+)` salt

Text Solution

Verified by Experts

The correct Answer is:
D
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