Questions
The alkali metals dissolve in liquid NH3, it is found that :
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a
The dilute solutions are blue but the colour changes to bronze with increasing concentration.
b
The blue colour is due to the presence of solvated electrons
c
The blue solutions are paramagnetic but the bronze coloured solutions are Diamagnetic
d
All the facts given above are correct
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Correct option is D
Blue colour, reducing nature and paramagnetism is due to ammoniated electrons ;As concentration increases due to association, the solution becomes bronze in colour and diamagnetic ;Talk to our academic expert!
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The alkali metals readily dissolve in liquid ammonia to give dilute solution which is blue In colour. The blue colour is believed to be due to
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