Carboxylic Acids Question 140
Question: A carboxylic acid is converted into its anhydride using
[J & K 2005]
Options:
A) Thionyl chloride
B) Sulphur chloride
C) Sulphuric acid
D) Phosphorus pent oxide
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Answer:
Correct Answer: D
Solution:
$ \begin{matrix} RCOOH \\ RCOOH \\ \end{matrix}\xrightarrow{P_2O_5}\begin{matrix} RCO \\ RCO \\ \end{matrix}>O+H_2O $
$ P_2O_5 $ acts as a dehydrating agent.
BETA
