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Question

Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:

A
sodium ion-ammonia complex
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B
sodamide
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C
sodium-ammonia complex
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D
ammoniated electrons
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Solution

The correct option is D ammoniated electrons
The solvated electron is responsible for a great deal of radiation chemistry. Alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting in nature. The blue colour of the solution is due to ammoniated electrons which absorb energy in the visible region of light

Option D is correct

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