Question

explain the pink colour of licl when heated in the vapour of li​

Answer 1

Answer:

When a crystal of LiCl is heated in an atmosphere of Li vapor, the Li atoms lose an electron to form Li-ions. The released electrons diffuse into the crystal and occupy anionic sites ( F-centres ). These electrons impart a pink color to the LiCl crystal.

Explanation:

Answer 2

Answer:

This is because on heating electrons are trapped at the anionic sites forming F-centres which absorb energy from light and radiate pink colour. ...