A) Solubility product of\[MnC{{l}_{2}}\]is less than that of MnS
B) Concentration of\[M{{n}^{2+}}\]is lowered by the formation of complex ions with chloride ions
C) Concentration of sulphide ions is lowered by oxidation to free sulphur
D) Concentration of sulphide ions is lowered by formation of the weak acid \[{{H}_{2}}S\]
Correct Answer: D
Solution :
It is a characteristic property of IV group concentration of sulphide ions is lowered by formation of the weak acid \[{{H}_{2}}S\].
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