Carboxylic Acids Question 14

Question: $ C_2H_2\underset{H_2SO_4}{\mathop{\xrightarrow{HgOH-1}}}A\xrightarrow{

[O]}B $ , B is [CBSE PMT 1991; BHU 1995]

Options:

A) An acid

B) An aldehyde

C) A ketone

D) Ethanol

Show Answer

Answer:

Correct Answer: A

Solution:

$ CH\equiv CH\underset{H_2SO_4}{\mathop{\xrightarrow{1%H{g^{+2}}}}}\underset{Unstable}{\mathop{CH_3-CH<\begin{matrix} OH \\ OH \\ \end{matrix}}} $

$ \to CH_3CHO\xrightarrow{[O]}\underset{aceticacid}{\mathop{CH_3COOH}} $