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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: - After tow hours, the ratioactive substance becomes 1/16th of original amount
- In which of the following reaction, the hydrogen peroxide is a reducing agent?
- Which of the following statements is true for the electrochemical Daniel cell
- The atomic number of cobalt is 27. The EAN of cobalt in Na₃[Co(NO₂)₄Cl₂] is
- Kinetic energy of one mole of an ideal gas at 300 K is
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- After tow hours, the ratioactive substance becomes 1/16th of original amount
- In which of the following reaction, the hydrogen peroxide is a reducing agent?
- Which of the following statements is true for the electrochemical Daniel cell
- The atomic number of cobalt is 27. The EAN of cobalt in Na₃[Co(NO₂)₄Cl₂] is
- Kinetic energy of one mole of an ideal gas at 300 K 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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