JEE Main Chemistry question

Aromatisation (catalytic dehydrocyclisation) of *n*-heptane and *n*-octane gives, respectively,

(A)Toluene, ethylbenzeneCorrect
(B)Ethylbenzene, toluene
(C)Toluene, benzene
(D)Benzene, ethylbenzene

Answer: (A)

Solution

Dehydrocyclisation builds a six-membered aromatic ring from the longest six-carbon chain segment, leaving any remaining carbons as a ring substituent. *n*-Heptane (7C)

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Question ID VK-142564