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In the reaction of phenol with CHCl₃ and aq.KOH the electrophile attacking the ring is
Options
(a) CHCl₃
(b) CHCl₂
(c) :CCl₂
(d) COCl₂
Correct Answer:
:CCl₂
Explanation:
The electrophile is dichloromethylene :CCl₂ generated from chloroform by the action of a base. OH⁻ + CHCl₃ ⇌ HOH + :CCl₃ → Cl⁻ + :CCl₂(Dichlorocarbene).
Related Questions: - Reaction between an acyl halide and the sodium salt of a fatty acid results in
- In the laboratory, manganese(II) salt is oxidised to permanganate ion in aqueous
- The number of unpaired electrons in 1s² 2s² 2p³ is
- Replacement of Cl of chlorobenzene to give phenol requires drastic conditions.
- Gadolinium belongs to 4f series. Its atomic number is 64
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Reaction between an acyl halide and the sodium salt of a fatty acid results in
- In the laboratory, manganese(II) salt is oxidised to permanganate ion in aqueous
- The number of unpaired electrons in 1s² 2s² 2p³ is
- Replacement of Cl of chlorobenzene to give phenol requires drastic conditions.
- Gadolinium belongs to 4f series. Its atomic number is 64
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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