Phenol is manufactured from the hydrocarbon, cumene. Cumene (isopropyl benzene) is oxidized in the presence of air to cumene hydroperoxide. It is converted to phenol and acetone by treating it with dilute acid.

NEET UG 2019 — Chemistry Organic Chemistry
The structure of intermediate A in the following reaction, is:

Held on 30 Apr 2019 · Verified 9 Jul 2026.




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Markovnikov's rule is applicable to:
Which of the following is a reducing sugar?
Match List I with List II: $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Adenosine} & \text{(i)} & \text{Nitrogen base} \\\hline \text{B.} & \text{Adenylic acid} & \text{(ii)} & \text{Nucleotide} \\\hline \text{C.} & \text{Adenine} & \text{(iii)} & \text{Nucleoside} \\\hline \text{D.} & \text{Alanine} & \text{(iv)} & \text{Amino acid} \\\hline\end{array}$ Choose the option with all correct matches.
Predict the major product ' P ' in the following sequence of reactions- 
Match List-I with List-II $\begin{array}{|l|l|l|l|}\hline & \text{List-I (Mixture)} & & \text{List-II (Method of Separation)} \\\hline A. & \mathrm{CHCl}_3+\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 & I. & \text{Distillation under reduced pressure} \\\hline B. & \text{Crude oil in petroleum industry} & II. & \text{Steam distillation} \\\hline C. & \text{Glycerol from spent-lye} & III. & \text{Fractional distillation} \\\hline D. & \text{Aniline-water} & IV. & \text{Simple distillation} \\\hline\end{array}$ Choose the correct answer from the options given below :-
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