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Redox Reactions

A solution of...

Question

A solution of mercurous chloride on standing :

A

turns black.

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B

is oxidized by oxygen in air.

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C

is corroded.

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D

none of the above

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Solution

The correct option is C turns black.
${H g}_{2} {C l}_{2} s t a n d i n g - ----- \to {H g C l}_{2} + H g ↓$
(black colour)

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