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Alkali metals dissolving in Ammonia liquid give the blue solution, this is due to the formation of ammoniated _____________(a) ions(b) metal cations only(c) metal cations and electrons(d) electrons onlyThis question was addressed to me in homework.The question is from s-Block Elements in chapter s-Block Elements of Chemistry – Class 11

Answer» CORRECT answer is (c) metal cations and electrons

For explanation: They give deep blue solution due to the FORMATION of ammonia the metal cations and electrons, the blue colour is due to the oxidation of ammonia electron to higher energy levels and the ABSORPTION of photons occurs in the red region of the SPECTRUM.


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