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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: - Among the following complexes the one which shows zero crystal field
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
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Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Among the following complexes the one which shows zero crystal field
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
- In liquid-gas equilibrium,the pressure of vapours above the liquid is constant
- All the s-block elements of the periodic table are placed in the groups….
- Which one of the following contain isopropyl group
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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