1.

Select the correct statement regarding carboxylic acids.

A. They form acyl chlorides on reaction with PCl<sub>5</sub>
B. Aldehydes in the presence of H<sup>+</sup>/Cr<sub>2</sub>O<sub>7</sub> forms carboxylic acids
C. They combine with alcohols to form esters
D. Upon polymerization, they form polymers
Answer» E.


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