PRASHNIKAप्रश्निका

Identify the end product [C] in the following sequence of chemical reaction:

Chemistry20261 markMCQ
Identify the end product [C] in the following sequence of chemical reaction: $\text{CH}\equiv\text{CH} \xrightarrow{\text{dil. }\text{H}_2\text{SO}_4\text{ / }\text{HgSO}_4} [\text{A}] \xrightarrow{[\text{O}]} [\text{B}] \xrightarrow{\text{PCl}_5} [\text{C}]$
  • (a)Acetic anhydride
  • (b)Acetic acid
  • (c)Acetyl chloride
  • (d)Ethyl chloride

Answer

Answer

AI
Written by AI (gemini) - it can contain mistakes.

Correct option: (c)

Answer: (c) Acetyl chloride Hydration of ethyne yields acetaldehyde [A], which upon oxidation forms acetic acid [B]. Reaction of acetic acid with $\text{PCl}_5$ gives acetyl chloride (ethanoyl chloride) [C].
Aldehydes and Ketones

From ISC 2026 Chemistry Paper 1, question 1(B)(iii).

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