Which one of the following is most soluble [CBSE PMT 1994; RPMT 2000]

1.	Which one of the following is most soluble [CBSE PMT 1994; RPMT 2000]
A.	\[CuS\,({{K}_{sp}}=8\times {{10}^{-37}})\]
B.	\[MnS\,({{K}_{sp}}=7\times {{10}^{-16}})\]
C.	\[B{{i}_{2}}{{S}_{3}}\,({{K}_{sp}}=1\times {{10}^{-70}})\]
D.	\[A{{g}_{2}}S\,({{K}_{sp}}=6\times {{10}^{-51}})\]
Answer» C. \[B{{i}_{2}}{{S}_{3}}\,({{K}_{sp}}=1\times {{10}^{-70}})\]

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