1.

The solubility product of a binary weak electrolyte is \[4\times {{10}^{-10}}\] at \[298\,K\]. Its solubility in mol \[d{{m}^{-3}}\] at the same temperature is              [KCET 2001]

A.                 \[4\times {{10}^{-5}}\]  
B.                 \[2\times {{10}^{-5}}\]
C.                 \[8\times {{10}^{-10}}\]               
D.                 \[16\times {{10}^{-20}}\]                
Answer» C.                 \[8\times {{10}^{-10}}\]               


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