alleryIn the **cumene process** for industrial phenol production, the by-product formed alongside phenol is
AMethanol
BFormaldehyde
CAcetone
DEthanol
Answer & Solution
Correct answer: C. Acetone
Cumene ($C_6H_5CH(CH_3)_2$) is oxidised by air to cumene hydroperoxide, which is acid-cleaved to phenol + **acetone**.
The co-production of acetone is the key economic driver of the process.
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