A) Acetic anhydride
B) Acetaldehyde
C) Phosphoric acid
D) Acetone
Correct Answer: A
Solution :
Acetic acid on dehydration produce acetic anhydride. \[{{\text{P}}_{\text{2}}}{{\text{O}}_{\text{5}}}\]is a dehydrating agent it dehydrate \[\text{C}{{\text{H}}_{3}}COOH\]to anhydride \[\underset{\text{Acetic}\,\text{acid}}{\mathop{2C{{H}_{3}}COOH}}\,\xrightarrow[(-{{H}_{2}}O)]{{{P}_{2}}{{O}_{5}}}\underset{\text{Acetic}\,\text{anhydride}}{\mathop{{{(C{{H}_{3}}CO)}_{2}}O}}\,\]
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