1.

Which of the following is most suitable ?

Answer»

`Bi_(2) S_(3) ( K_(sp) = 1 xx 10^(-17))`
`MnS ( K_(sp ) = 7 xx 10^(-16))`
`CUS ( K_(sp ) = 8 xx 10^(- 37))`
`Ag_(2) S ( K_(sp) = 6 xx 10^(-51))`

Answer :B


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