What are pseudohalogens ? Give example.

Explanation

A pseudo halogen is made up of two electron e.g. a `"atoms "//" groups"` and in its molecular form resembles the halogens. Pseudo-halogens behave as halogens in their chemistry. They form anions which resemble halide ion in their behaviour.
e.g. Pseudohalogen`" "`Formula
Cyanogen`" "(CN)_2`
Oxocynegen`" "(OCN)_2`
Thicyanogen`" "(SCN)_2`