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JIPMER 2012
Exam
JIPMER
Year
2012
Subject
Chemistry
Chapter
Carboxylic Acid Derivatives

JIPMER 2012 · Chemistry · Carboxylic Acid Derivatives

Acetic anhydride is prepared in the laboratory by heating sodium...

Acetic anhydride is prepared in the laboratory by heating sodium acetate with

Options

  1. Aethyl chloride
  2. Bacetyl chloride
  3. Cconc. H2SO4\mathrm{H}_2 \mathrm{SO}_4
  4. Dzinc dust

Correct answer

B. acetyl chloride

Step-by-step solution

In laboratory, acetic anhydride is prepared by heating sodium acetate with acetyl chloride. CH3COONa+CH3COCl acetyl chloride \mathrm{CH}_3 \mathrm{COONa}+\underset{\text{ acetyl chloride }}{\mathrm{CH}_3 \mathrm{COCl}}\xrightarrow[-NaCl\mathrm{NaCl}]{\Delta}CH3COOCOCH3 acetic anhydride \underset{\text{ acetic anhydride }}{\mathrm{CH}_3 \mathrm{COOCOCH}_3}
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