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Which of the following compound on treat...

Which of the following compound on treatment with a solution of `HgCl_(2)` first gives a white ppt. and then grey ppt.?

A

`H_(3)PO_(2)`

B

`SnCL_(2)`

C

KI

D

`NH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`2HgCl_(2) + SnCl_(2) to underset("White ppt")(Hg_(2)Cl_(2))+SnCl_(4), HgCl_(2) + SnCl_(2) to underset("grey")(2Hg)+SnCl_(4)`
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