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