A) \[\operatorname{HgS}\]
B) \[\operatorname{PbS}~\]
C) \[\operatorname{CuS}\]
D) \[\operatorname{CdS}\]
Correct Answer: A
Solution :
HgS HgS does not dissolve in hot dil. \[{{\operatorname{HNO}}_{3}}\]while all other sulphides (PbS, CuS, CdS) dissolve in hot dil. HNOs forming their corresponding nitrates.You need to login to perform this action.
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