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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: - which of the following molecules has trigonal planar geometry?
- Which one of the following dfects in the crystals lowers its density
- For a spontaneous process, entropy always
- In the brown ring test for the nitrate ion, the brown colour is due to
- A trend common to both for group I and VII elements in the periodic table
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- which of the following molecules has trigonal planar geometry?
- Which one of the following dfects in the crystals lowers its density
- For a spontaneous process, entropy always
- In the brown ring test for the nitrate ion, the brown colour is due to
- A trend common to both for group I and VII elements in the periodic table
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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