Which of the following aromatic ring will NOT give positive test with KMnO4?
A
Toluene
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B
Benzene
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C
Mesitylene
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D
Cummene
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Solution
The correct option is B Benzene Alkyl substituted benzene reacts with KMnO4 to get oxidised to benzoic acid whereas benzene will not give any such reaction.Eg: