HgS is

A

red in colour

B

black in colour

C

Both (A) and (B)

D

none.

Text Solution

Verified by Experts

HgS can exist both in red form and black form. Passing `H_(2)S` through a solution of `Hg^(2+)` salts gives black HgS. This black HgS on sublimation gives red form.
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  1. HgS is

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