The Total solution for NCERT class 6-12
Whenan alkali metal dissolves in liquid ammonia the solution can acquire differentcolours. Explain the reasons for this type of colour change.
Whenan alkali metal is dissolved in liquid ammonia, it results in the formation ofa deep blue coloured solution.
Theammoniated electrons absorb energy corresponding to red region of visiblelight. Therefore, the transmitted light is blue in colour.
Ata higher concentration (3 M), clusters of metal ions are formed. This causesthe solution to attain a copper–bronze colour and a characteristic metalliclustre.