Question

Q. variable covalency is exhibited by :-

(a) P and S (b) N and O (c) N and P







​

Answer 1

Answer:

option b is correct

non metals do exhibit variable valency

Answer 2

Answer:

P and S

Explanation:

Variable covalency refers the tendency of certain atoms to show different covalencies as a result of excitation of the atom. In the atoms that exhibit variable covalency the number of unpaired electrons increases as a result of excitation of the atom that causes it to have variable covalency