Assertion : $H g C l_{2}$ and $S n C l_{2}$ can not exist together in an aqueous solution. Reason: $S n C l_{2}$ is a strong reducing agent because Sn shows inert pair effect.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Solution
$H g C l_{2} + S n C l_{2} = S n C l_{4} + H g C l$
Here Hg is reduced from +2 to +1
There fore $S n C l_{2}$ is strong reducing agent but does not share inert pair effect thats why its +4 oxidation is more stable than +2.
The correct option is C.

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