Hydrocarbons Question 181

Question: Aromatisation of n-heptane by passing over $ (Al_2O_3+Cr_2O_3) $ catalyst at 773 K gives [DCE 2004]

Options:

A) Benzene

B) Toluene

C) Mixture of both

D) Heptylene

Show Answer

Answer:

Correct Answer: B

Solution:

$ \underset{n\text{-heptane}}{\mathop{\underset{CH_2}{\overset{\overset{CH_3}{\mathop{\overset{|}{\mathop{C}}H_2}}}{\mathop{\underset{H_2C}{\overset{H_2C}{\mathop{|}}}\ \ \ \ \ \ \ \ \underset{CH_2}{\overset{CH_3}{\mathop{|}}}}}}}}\underset{773K}{\mathop{\xrightarrow{Al_2O_3/Cr_2O_3}}} $