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Aromatic hydrocarbons: benzene reactions and side chain reactions
NEET level
Single correct option
Difficulty 1 of 3
hc205
Toluene on heating with alkaline
KMnO
X
4
followed by acidification gives:
A
Benzaldehyde
B
Benzyl alcohol
C
Benzoic acid
D
Phenol
Answer: C
Strong oxidants convert the whole alkyl side chain bearing a benzylic hydrogen to
−
COOH
. Toluene therefore gives benzoic acid after acidification.
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