Hydrocarbons Ques 55

55. Products of the following reaction:

[2005]

$CH_3 C \equiv C \cdot CH_2 CH_3 \xrightarrow[\text{ (2) Hydrolysis }]{\text{ (1) } O_3} \ldots .$. are:

(a) $CH_3 COOH+CO_2$

(b) $CH_3 COOH+HOOC \cdot CH_2 CH_3$

(c) $CH_3 CHO+CH_3 CH_2 CHO$

(d) $CH_3 COOH+CH_3 COCH_3$

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Answer:

Correct Answer: 55.(b)

Solution:

  1. (b)

$ \underset{\text{ Acetic acid }}{CH_3 COOH}+\underset{\text{ Propionic acid }}{CH_3 CH_2 COOH} $

The glyoxal formed as an intermediate is oxidised by $H_2 O_2$ to give the acids.