Q.

(A): Benzene decolurises cold alkaline potassium permanganate solution

(R): Benzene is aromatic hydrocarbon

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a

Both A and R are true, and R is correct explanation of A

b

Both A and R are true, and R is not the correct explanation of A

c

A is true but R is false

d

A is false but R is ture

answer is D.

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Detailed Solution

  • Benzene does not decolorise the acidic/alkaline KMnO4​ due to the delocalization of Ο€-electrons.
  • Benzene is aromatic compound
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(A): Benzene decolurises cold alkaline potassium permanganate solution(R): Benzene is aromatic hydrocarbon