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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: - Hardness of water due to presence of salts of
- Photochemical smog is due to the presence of
- The first ionisation potential will be maximum for
- Addition of phosphate fertilizers into water leads to
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Hardness of water due to presence of salts of
- Photochemical smog is due to the presence of
- The first ionisation potential will be maximum for
- Addition of phosphate fertilizers into water leads to
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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