Question

Why solutions of alkali metals in liquid ammonia is blue in colour?​

Answer 1

Answer:

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

Answer 2

The blue colour of the solution is due to ions of Ammonia.