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Forum Question BankThe degree of dissociation of 0.1 M HCN …

MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumDissociation of Weak Acids and Bases

The degree of dissociation of 0.1 M HCN solution is 0.01%. Its ionisation constant would be

A.10

B.10

C.10

D.10✓ Correct

Explanation

K α C a 2 2 4 K = α C = 10 0.1 x a 8 1 K = 10 10 a x 9 K = 10 a

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