Question

6.
pH of which salt is same for 1 M and 5 M solution
both?
(1) HCOONa
(2) C&H NHCI
(3) NH CN
(4) NaCN​

Answer 1

Explanation:

pH of NH₄CN is same for both 1 M and 5 M solutions. NH₄CN is a salt containing weak acidic radical(CN-) and weak basic radical(NH4+).