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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 can act as an oxidising as well as reducing agent
- Strong reducing behaviour of H₃PO₂ is due to
- For isothermal change in the case of an ideal gas
- What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl
- In the commercial gasolines,the type of hydrocarbons which are more desirable is
Topics: Haloalkenes and Haloarenes
(78)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following can act as an oxidising as well as reducing agent
- Strong reducing behaviour of H₃PO₂ is due to
- For isothermal change in the case of an ideal gas
- What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl
- In the commercial gasolines,the type of hydrocarbons which are more desirable 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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