1.

The degree of dissociation of \[0.1\,M\,HCN\] solution is 0.01%. Its ionisation constant would be [RPMT 1999]

A.                 \[{{10}^{-3}}\]  
B.                 \[{{10}^{-5}}\]
C.                 \[{{10}^{-7}}\]  
D.                 \[{{10}^{-9}}\]
Answer» E.


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