Hydrolysis of salt is reverse of neutralization. Wrong match regarding salt hydrolysis among the following is
aq.NaCN….. Cationic Hydrolysis
aq. KNO3 …….. no hydrolysis
aq. CH3COONH4….. both cationic and anionic hydrolysis
aq. K2S..... anionic hydrolysis.
Salt of WA + SB undergoes anionic hydrolysis
CN−+H2O⇌ HCN+OH−