Question

alkali metal in liquid nh3is blue colour. explain?

Answer 1

Solvated electron. ... The solvated electron is responsible for a great deal of radiation chemistry. Alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting in nature. The blue colour of the solution is due to ammoniated electrons which absorb energy in the visible region of light.

Answer 2

Alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting in nature. The blue colour of the solution is due to ammoniated electrons which absorb energy in the visible region of light. Alkali metals also dissolve in hexamethylphosphoramide, forming blue solutions.