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Question: 1-butyne reacts with cold alkaline \(\mathrm { KMnO } _ { 4 }\) to produce....

1-butyne reacts with cold alkaline KMnO4\mathrm { KMnO } _ { 4 } to produce.

A

CH3CH2COOH\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COOH }

B

CH3CH2CH2COOH\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { COOH }

C

CH3CH2COOH+CO2\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COOH } + \mathrm { CO } _ { 2 }

D

CH3CH2COOH+HCOOH\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COOH } + \mathrm { HCOOH }

Answer

CH3CH2COOH+CO2\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COOH } + \mathrm { CO } _ { 2 }

Explanation

Solution

CH3−CH2−C≡CH Cold  alk. KMnO4CH3CH2COOH+CO2\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { C } \equiv \mathrm { CH } \underset { \text { alk. } \mathrm { KMnO } _ { 4 } } { \text { Cold } } \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COOH } + \mathrm { CO } _ { 2 }