sblock Elements 1 Question 27
45. Statement I Alkali metals dissolve in liquid ammonia to give blue solution.
Statement II Alkali metals in liquid ammonia give solvated species of the type $\left[M\left(\mathrm{NH}{3}\right){n}\right]^{+}(M=$ alkali metals $)$.
(2007, 3M)
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Answer:
Correct Answer: 45. (b)
Solution:
- Both statements are correct but blue colour is due to presence of solvated electron $\mathrm{NH}_{3}\left(e^{-}\right)$.
