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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).
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- Which reagent can be used for the alkylation of aromatic nitro compounds
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Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Lanthanide contraction is due to increase in
- Which reagent can be used for the alkylation of aromatic nitro compounds
- Chlorobenzene can be prepared by reacting aniline with
- How many unpaired electrons are present in ground state for Fe²⁺(Z=26)
- The difference between ΔH and ΔE at 300 K for the reaction
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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