The degree of dissociation of $0.1\,M\,HCN$ solution is $0.01\%$ . Its ionisation constant would be
The degree of dissociation of $0.1\,M\,HCN$ solution is $0.01\%$ . Its ionisation constant would be
- A
${10^{ - 3}}$
- B
${10^{ - 5}}$
- C
${10^{ - 7}}$
- D
${10^{ - 9}}$
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