Past JEE Questions Ch.14 COMPOUNDS OF METALS

JEE Question 2007 paper II

Statement - 1

Alkali metals dissolve in liquid ammonia to give blue solutions.

Because

Statement - 2

Alkali metals in liquid ammonia give solvated species of the type [M(NH-3)-n]^+ (M= alkali metals.

(A) Statement – 1 is True, Statement – 2 is True; Statement – 2 is a correct explanation for
statement – 1
(B) Statement – 1 is True, Statement – 2 is True; Statement – 2 is Not a correct explanation for
Statement – 1.
(C) Statement – 1 is True, Statement – 2 is False
(D) Statement – 1 is False, Statement – 2 is True

Solution: B


Blue colour appears due to solvated electrons in liquid ammonia.