Which of the following statements is/are correct for “when alkali metals are dissolved in liquid ammonia. We get...”
(a) A blue solution in case of dilute alkali metal ammonia solution.
(b) If we increase cocentration of metal in ammonia then the blue colour starts changing and finally changes to that of bronze colour.
(c) The blue colour of the solution of alkali metal in liquid ammonia is due to excitation of free ammoniated electrons to higher energy levels.
(d) All the above are correct.
