Question
Statement-1 : Alkali metals dissolve in liquid ammonia to give blue solutions.
Statement-2 : Alkali metals in liquid ammonia give solvated species of the type [M(NH3)n]+ (M =alkali metals).
Statement-2 : Alkali metals in liquid ammonia give solvated species of the type [M(NH3)n]+ (M =alkali metals).
Answer: Option B
:
B
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. The second statement describes the solvated cations (positively charged species) whereas the colour is due to the solvated electrons. Do note howeverthat both the statements are accurate.
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:
B
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. The second statement describes the solvated cations (positively charged species) whereas the colour is due to the solvated electrons. Do note howeverthat both the statements are accurate.
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