When sodium is dissolved in liquid ammonia, a solution of deep blue colour is obtained. The colour of the solution is due to
(i) ammoniated electron
(ii) sodium ion
(iii) sodium amide
(iv) ammoniated sodium ion

Answers (1)

The answer is the option (i) Alkali metals, when dissolved in liquid ammonia give deep blue colour. The colour of the solution is due to ammoniated electrons which get excited to a higher energy level by absorbing red wavelength and start transmitting blue colour.

Na+\left (x+y \right )NH_{3}\rightarrow\left [ \left (Na\left (NH_{3} \right )_{x} \right ) \right ]^{+} e \left (NH_{3} \right )_{y}^{-}

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