Column-I (salt)		Column-II  (Type of hydrolysis)
I)	$C{H}_{3}COON{H}_4$	A)	Anionic only
II)	$CuS{O}_4$	B)	No hydrolysis
III)	KCN	C)	Both cationic and anionic
IV)	${\mathrm{NaNO}}_3$	D)	Cationic only

Correct match is
 

	I	II	III	IV
1	B	D	A	C
2	C	D	A	B
3	B	A	D	C
4	C	A	D	B