Answer to Question #41281 in Physical Chemistry for qwerty

Question

In given table
Salt pH
NH4CN (A)
KCN 8
Image not present (http://www.onlinetestseries.in/data/images/common/papers/partners/32/1179/image143.png) (B)
The value of (A) and (B) is respectively :-
(1) 2, 7
(2) 7.2, 4
(3) 7, 7
(4) 6.8, 9

Answer 1

The pH of NH4CN solution will be basic (higher than 7), while the pH of phenilammonium chloride will be acidic (lower than 7). Hence, the correct option is (2).