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Q 1115434360.    

JEE 2007

Assertion : Alkali metals dissolve in liquid ammonia to give blue solutions.

Reason : Alkali metals in liquid ammonia give solvated species of the type `[M(NH_3)_n]^+` (`M `= alkali metals).

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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