A) ethyl chloride
B) acetyl chloride
C) cone \[{{H}_{2}}S{{O}_{4}}\]
D) zinc dust
Correct Answer: B
Solution :
In laboratory, acetic anhydride is prepared by heating sodium acetate with acetyl chloride. \[C{{H}_{3}}COONa+\underset{acetyl\text{ }chloride}{\mathop{C{{H}_{3}}COCl}}\,\xrightarrow[-NaCl]{\Delta }\] \[\underset{acetic\text{ }anhydride}{\mathop{C{{H}_{3}}COOCOC{{H}_{3}}}}\,\]
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