Q.

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


Assertion (A): Both phenol and benzene diazonium chloride are colorless but the azo dye formed by their coupling is colored.
Reason (R): Azo group between two aromatic rings extends the conjugation of one ring into the other.
In the light of the above statements, choose the correct answer from the options given below:

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a

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

b

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

c

(A) is correct but (R) are incorrect.

d

(A) is incorrect but (R) is correct

answer is D.

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