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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: - Negative deviation from Raoult’s law is observed in which one of the
- During the decomposition of H₂O₂ to give oxygen, 48 g O₂ is formed per minute
- The interatomic distances in H₂ and Cl molecules are 74 and 198 pm respectively
- Which electronic configuration of an element has abnormally high difference
- Total number of isomers possible for the molecular formula C₄H₁₀O is
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Negative deviation from Raoult’s law is observed in which one of the
- During the decomposition of H₂O₂ to give oxygen, 48 g O₂ is formed per minute
- The interatomic distances in H₂ and Cl molecules are 74 and 198 pm respectively
- Which electronic configuration of an element has abnormally high difference
- Total number of isomers possible for the molecular formula C₄H₁₀O is
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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