First slide

Salt hydrolysis :

Question

Statement 1 : 0.20 M solution of NaCN is more basic than 0.20 M solution of NaF.
Statement 2 : $K_{a}$ of HCN is very much less than that of HF.

Moderate

A

Both Statement 1 and Statement 2 are true.
B

Statement 1 is true and statement 2 is false.
C

Statement 1 is false and Statement 2 is true.
D

Both Statement 1 and Statement 2 are false.

Solution

Since $K_{a}$ of HCN is less than that of HF, so ${CN}^{-}$ is stronger base than $F^{-}$ .

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