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Which of the following metal sulphides h...

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

A

CdS `(K_(sp)=36xx10^(-30))`

B

`FeS(K_(sp)=11xx10^(-20))`

C

`HgS(K_(sp)=32xx10^(-54))`

D

`ZnS(K_(sp)=11xx10^(-22))`

Text Solution

Verified by Experts

The correct Answer is:
B
Higher the `K_(sp)`, more soluble is that compound in `H_(2)O`.
`:.K_(sp)` of `FeS(11xx10^(-20))` is highest.
So it is more soluble and has maximum solubility in `H_(2)O`.
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