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Which of the following metal sulphides h...

Which of the following metal sulphides has maximum solubility in water ?

A

`HgS " " K_(sp)=10^(-54)`

B

`CdS" " K_(sp)=10^(-30)`

C

`FeS" "K_(sp)=10^(-20)`

D

`ZnS " " K_(sp)=10^(-22)`

Text Solution

Verified by Experts

More the `K_(sp)` more is the solubility as all sulphides are of the same type (AB). Thus FeS with `k_(sp)=10^(-20)` is most soluble.
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