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Write the mechanism of acid dehydration of ethanol to yield et
Chemistry Part-II
Chemistry Part-II

Class 12

NCERT

Publisher:
NCERT
Subject:
Chemistry
1

Chapter 1: Haloalkanes and Haloarenes

33 questions

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2

Chapter 2: Alcohols, Phenols and Ethers

38 questions

Q1
Explain the following with an example.
(i) Kolbes reaction.
(ii) Reimer-Tiemann reaction.
(iii) Williamson ether synthesis.
(iv) Unsymmetrical ether.
Q2
Write the mechanism of acid dehydration of ethanol to yield ethene.
Q3
Name the reagents used in the following reactions:
(i) Oxidation of a primary alcohol to carboxylic acid.
(ii) Oxidation of a primary alcohol to aldehyde.
(iii) Bromination of phenol to 2,4,6-tribromophenol.
(iv) Benzyl alcohol to benzoic acid.
(v) Dehydration of propan-2-ol to propene.
(vi) Butan-2-one to butan-2-ol.
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3

Chapter 3: Aldehydes, Ketones and Carboxylic Acids

26 questions

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4

Chapter 4: Amines

18 questions

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5

Chapter 5: Biomolecules

25 questions

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6

Chapter 6: Polymers

21 questions

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7

Chapter 7: Chemistry in Everyday Life

27 questions

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Write the mechanism of acid dehydration of ethanol to yield ethene.

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Updated on: Aug 6, 2023

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Chemistry Part-II (NCERT)

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Text SolutionText solutionverified iconVerified

The mechanism of acid dehydration of ethanol to yield ethene is shown above.
First step is the protonation of oxygen atom of group.
Second step is the loss of a molecule of water to form carbonium ion.
Last step is deprotonation to form carbon carbon double bond.
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Q1
Explain the following with an example.
(i) Kolbes reaction.
(ii) Reimer-Tiemann reaction.
(iii) Williamson ether synthesis.
(iv) Unsymmetrical ether.
Q2
Write the mechanism of acid dehydration of ethanol to yield ethene.
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Name the reagents used in the following reactions:
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(ii) Oxidation of a primary alcohol to aldehyde.
(iii) Bromination of phenol to 2,4,6-tribromophenol.
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Question Text
Write the mechanism of acid dehydration of ethanol to yield ethene.
Updated OnAug 6, 2023
TopicAlcohols, Phenols and Ethers
SubjectChemistry
ClassClass 12
Answer TypeText solution:1 Video solution: 2
Upvotes220
Avg. Video Duration3 min