Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the following reaction of benzene.
In compound (Q), the percentage of oxygen is 
%. (Nearest integer)
Text Solution
Verified by ExpertsThe correct answer is:
10
(10)
Benzene reacts with 
in the presence of anhydrous 
(Friedel-Crafts acylation) to give product P (a keto-ketone).
P on treatment with aq. NaOH and heating undergoes intramolecular aldol condensation to give a cyclic enone Q.
Molecular mass of 
Percentage of oxygen in 
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