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Why alkali metals gives blue solution …

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Why alkali metals gives blue solution when it reacts wirh amonia?
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Sia ? 6 years, 5 months ago

Alkali metals dissolve in ammonia to form a blue colour solution. The blue colour of the solution is due to ammoniated electron which absorbs energy in the visible region of light and imparts blue colour to the solution.
M + (x + y)NH3 →[M(NH3 )x ]+ + [e(NH3 )y ]

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