What is/are correct statement (s)?

Options

A. `CH_3cOONH_4` have greater degree of hydrolysis in 0.2M solution in comparison of 0.4 M solution
B. Anion have lesser basic strength than `OH^(-) ` , does not undergo hydrolysis in comparison of `HCOO^(-) ` when their salt solution have equal concentration
C. The `CH_3 COO^(-) ` have greater degree of hydrolysis in compreson of `HCOO^(-) ` when their salt solution have equal concentration
D. `SO_4^(2-) ` does hydrolysis but `HSO_4^(-) ` does not undergo hydrolysis

Answer

C, D

Explanation

Degree of hydrolysis of salt of W.A and W.B doesnot depend on conc.
(b) anions come from acids which are more acidic than `H_2O` undergo hydrolysis.
(c ) Among two acids , anion comes from weaker acid (less `K_a) ` undergo more hydrolysis.
(d) ` HSO_4^(-) ` comes from stronger acid `H_2SO_4` . so it does not undergo hydrolysis.