By Team Aakash Byju's | 25th December 2022

Process of Ethanol Conversion

Name the process for ethanol to ethene conversion and reactants used.

A

B

C

D

 Hydrogenation of ethanol in the  presence of concentrated H2SO  .

 Dehydration of ethanol in the  presence of concentrated H2SO  .

 Oxidation of ethanol in the  presence of concentrated H2SO  .

 Reduction of ethanol in the  presence of concentrated H2SO  .

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Detailed Explanation

The correct answer is  B) Dehydration of ethanol in the presence of concentrated H SO .

Arrow

2

4

On heating at 170°C in the presence of concentrated H SO , ethanol(CH CH OH) gets dehydrated to give ethene (CH =CH ).

2

4

3

2

2

2

Ethanol into Ethene

CH CH OH 

CH  = CH + H O

Ethanol

Ethene

2

2

2

2

3

H SO

443 K

2

4

Conversion of ethanol to ethene can be represented as,

Ethanol into Ethene

C      C

Ethene

Ethanol

H

H

H

H

H

O

H

Conc.

C = C

H

H

H

H

Water

+

O

H

H

A water molecule is lost during the conversion of ethanol into ethene.

H SO

2

4

160 - 170  C

0

0

Concentrated sulfuric acid (H SO ) functions as a dehydrating agent in this reaction.

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