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Which of the following compounds gives trichloromethane on distilling with bleaching powder
Options
(a) Methanal
(b) Phenol
(c) Ethanol
(d) Methanol
Correct Answer:
Ethanol
Explanation:
Alcohol is first oxidised to acetaldehyde by chlorine. [Cl₂ + H₂O → 2HCl + O]. CH₃CH₂OH + O → CH₃CHO + H₂O. (ii) Acetaldehyde then reacts with chlorine to form chloral. CH₃CHO + 3Cl₂ → CCl₃ CHO + 3HCl.(iii) Chloral, thus formed, is hydrolysed by calcium hydroxide. CCl₃CHO + Ca(OH)₂ → 2CHCl₃ + (HCOO)₂Ca.
Related Questions: - Which of the following 0.10 m aq solution will have the lowest freezing point
- According to law of mass action rate of a chemical reaction is proportional to
- Which of the following ions has the maximum magnetic moment
- The compound which contains all the four 1°,2°,3° and 4° carbon atoms is
- In which of the folowing pair both the species have sp³ hybridization?
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following 0.10 m aq solution will have the lowest freezing point
- According to law of mass action rate of a chemical reaction is proportional to
- Which of the following ions has the maximum magnetic moment
- The compound which contains all the four 1°,2°,3° and 4° carbon atoms is
- In which of the folowing pair both the species have sp³ hybridization?
Topics: Haloalkenes and Haloarenes (78)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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