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