Hydrocarbons Question 208

Question: The compound X on reaction with $ HgSO_4+H_2SO_4 $ gives Y which on oxidation gives acetic acid. X is [MP PMT 1999]

Options:

A) $ C_2H_2 $

B) $ C_2H_4 $

C) $ C_3H_4 $

D) $ C_4H_6 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ \underset{Ethyne}{\mathop{CH\equiv CH}}+H_2O\underset{H_2SO_4}{\mathop{\xrightarrow{HgSO_4}}}\underset{Vinylalcohol}{\mathop{CH_2=CH-OH}}\xrightarrow{KMnO_4} $

$ CH_3CHO\xrightarrow{Oxidation}\underset{Aceticacid}{\mathop{CH_3COOH}} $