Question

Match the symbols of – radicals – with their correct combining power or capacity, (valency).

(a) OH
(b) So₄
(c) No₃
(d) Co₃

Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)

Answer 1

(a) OH — Valency- 1 (C)
(b) So₄ — Valency- 2 (B)
(c) No₃ — Valency- 1 (C)
(d) Co₃ — Valency- 2 (B)