Regarding the aromatization of aliphatic alkanes to form benzenoid compounds, which of the following — Hydrocarbons Chemistry Question

💡 Solution & Explanation

(A) The mechanism includes both forming the ring (cyclization) and losing $H_2$ (dehydrogenation). (B) Benzene requires a 6-carbon ring, so alkanes with $C < 6$ cannot form it. (D) It requires aggressive conditions: 773 K, 10-20 atm, and heavy metal oxide catalysts. (C) is incorrect because n-heptane ($C_7$) aromatizes to form toluene (methylbenzene), not bare benzene.