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Assertion : When SnCl(2) solution is add...

Assertion : When `SnCl_(2)` solution is added to `HgCl_(2)` solution, a milky white precipitate is obtained and on adding excess `SnCl_(2)`, a black precipitate is formed.
Reason : The disproportionation if Hg(II) is easier than its reduction only.

A

Both A and R are true and R is a correct explanation of A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

Both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
C
`SnCl_(2)+2HgCl_(2)tounderset("white ppt")(Hg_(2)Cl_(2)darr)+SnCl_(4)`
`Hg_(2)Cl_(2)+SnCl_(2)tounderset("grey ppt")(2Hgdarr)+SnCl_(4)`
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