Statement 1 : Degree of hydrolysis and pH of a salt, e.g., NH4CN is independent of concentration of NH4CN.Statement 2 : The solution of NH4CN in water has pH slightly greater than 7.
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a
Both statements I and II are correct.
b
Statement I is correct and statement II is incorrect.
c
Statement I is incorrect and statement II is correct.
d
Both statements I and II are incorrect.
answer is A.
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Detailed Solution
As we know, NH4OH is relatively stronger than HCN so pH of solution would be slightly greater than 7.Also, the degree of hydrolysis of a salt of weak acid and weak base is independent of concentration of salt.
Statement 1 : Degree of hydrolysis and pH of a salt, e.g., NH4CN is independent of concentration of NH4CN.Statement 2 : The solution of NH4CN in water has pH slightly greater than 7.