MHT CET 2024 Chemistry question

Not in JEE Main or NEET syllabus

Which of the following colours is developed when alkali metal is dissolved in liquid ammonia ?

(A)dark red
(B)violet
(C)deep blueCorrect
(D)green

Answer: (C)

Solution

Alkali metals dissolve in liquid ammonia to give a deep blue, conducting, paramagnetic solution: . The blue colour is due to the ammoniated (solvated) electron, which absorbs light in the red region of

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Question ID VK-093382