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Q.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R :

Assertion: Metallic sodium dissolves in liquid ammonia giving a deep blue solution, which is paramagnetic.
Reason: The deep blue solution is due to the formation of amide.

In the light of the above statements, choose the correct answer from the options given below:

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a

A is false but R is true

b

Both (A) and (R) are true and (R) is the correct explanation of (A)

c

Both (A) and (R) are true but (R) is not the correct explanation of (A)

d

(A) is true but (R) is false

answer is D.

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Detailed Solution

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(C) V2O4 dissolves in acids to give salts
(D) Basic character decreases from V2O3 to V2O4 and to amphoteric V2O5.

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