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Which of the following metal sulphides w...

Which of the following metal sulphides will be precipitated first from a solution having almost equal concentration of metal ion ?

A

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

B

`HgS(K_(sp)=3.2xx10^(-55))`

C

`ZnS(K_(sp)=1.1xx10^(-22))`

D

`CdS(K_(sp)=3.6xx10^(-31))`

Text Solution

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The correct Answer is:
B
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