The solubility product of C u S, C d S and H g S are 10-31, 10-44, 10-54 respectively. The solubility of these sulphides are in the order

Question

The solubility product of C u S, C d S and H g S are 10-31, 10-44, 10-54 respectively. The solubility of these sulphides are in the order (A) CdS > HgS > CuS (B) HgS > CdS > CuS (C) CdS > CuS > HgS (D) CuS > CdS > HgS

Tardigrade Admin · Accepted Answer

All are binary salts, hence their solubility is equal to square root of their solubility products.
So, order of solubility is

C u S > C d S > H g S

or greater the value of solubility product, greater will be the solubility.

Q. The solubility product of CuS,CdS and HgS are 10−31,10−44,10−54 respectively. The solubility of these sulphides are in the order

CdS > HgS > CuS

HgS > CdS > CuS

CdS > CuS > HgS

CuS > CdS > HgS

All are binary salts, hence their solubility is equal to square root of their solubility products. So, order of solubility is CuS>CdS>HgS or greater the value of solubility product, greater will be the solubility.

Q. The solubility product of $C u S, C d S$ and $H g S$ are $1 0^{- 31}, 1 0^{- 44}, 1 0^{- 54}$ respectively. The solubility of these sulphides are in the order

All are binary salts, hence their solubility is equal to square root of their solubility products.
So, order of solubility is $C u S > C d S > H g S$ or greater the value of solubility product, greater will be the solubility.