MolSynapsequestion bank

MolSynapse / Question bank / Hydrocarbons / Aromatic hydrocarbons: benzene reactions and side chain reactions

JEE Main levelOne or more correct optionsDifficulty 2 of 3hc156

Which of the following are oxidised to benzoic acid by hot alkaline $KMnO X_{4}$ (followed by acidification)?

Atert-butylbenzene
Btoluene
Cisopropylbenzene (cumene)
Dethylbenzene

Answer: B, C, D

Any alkyl side chain with at least one benzylic H is oxidised to

- COOH

(the rest of the chain is lost). Toluene, ethylbenzene and cumene have benzylic H atoms. tert-Butylbenzene has none.

Practice Hydrocarbons More on Aromatic hydrocarbons: benzene reactions and side chain reactions

Previous questionNext question

More questions on Aromatic hydrocarbons: benzene reactions and side chain reactions

Which of the following species is aromatic? JEE Main level
Which is the correct order of reactivity towards electrophilic nitration? JEE Main level
Which of the following compounds do NOT undergo Friedel-Crafts alkylation (with CH3Cl / anhydrous AlCl3) under the usual conditions? JEE Main level
Which sequence is the best route to m-nitrobenzoic acid from benzene? JEE Advanced level
Ethylbenzene is treated with Cl2 in sunlight (1 mol, monochlorination at the side chain, major product), then with alcoholic KOH, and the re... JEE Advanced level
o-, m- and p-Xylene (the three dimethylbenzenes) are each monochlorinated, ring and side-chain products both being counted (structural isome... JEE Advanced level