Which of the following will give acetic anhydride?
A
Acetyl chloride is heated with sodium acetate in presence of pyridine.
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B
Acetyl chloride is heated with sodium acetate in presence of HCl.
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C
Acetyl chloride is heated with ethyl acetate in presence of pyridine.
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D
Acetyl chloride is heated with ethyl acetate in presence of HCl.
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Solution
The correct option is A Acetyl chloride is heated with sodium acetate in presence of pyridine. Acetyl chloride is heated with sodium acetate in presence of pyridine to obtain acetic anhydride. CH3COCl+NaOOCCH3pyridineheat−−−−−−−−→CH3CO⋅O⋅COCH3+NaCl