Carboxylic Acids Question 21

Question: Two moles of acetic acid are heated with $ P_2O_5. $ The product formed is

[MP PET/PMT 1988]

Options:

A) 2 moles of ethyl alcohol

B) Formic anhydride

C) Acetic anhydride

D) 2 moles of methyl cyanide

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Answer:

Correct Answer: C

Solution:

$ \begin{matrix} CH_3COOH \\ CH_3COOH \\ \end{matrix}+P_2O_5\to \begin{matrix} CH_3-CO \\ CH_3-CO \\ \end{matrix}>O+H_2O $