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Chemistry Part-II

Alcohols, Phenols and Ethers

Show how will you synthesise: (i) 1-phenylethanol from a suita

Chemistry Part-II

Class 12

NCERT

Chapter 1: Haloalkanes and Haloarenes

33 questions

Chapter 2: Alcohols, Phenols and Ethers

38 questions

You are given benzene, conc.

H_{2} S O_{4}

and

N a O H

. Write the equations for the preparation of phenol using these reagents.

Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an

S_{N} 2

reaction.
(iii) pentan-1-ol using a suitable alkyl halide.

Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.

View all question

Chapter 3: Aldehydes, Ketones and Carboxylic Acids

26 questions

Chapter 4: Amines

18 questions

Chapter 5: Biomolecules

25 questions

Chapter 6: Polymers

21 questions

Chapter 7: Chemistry in Everyday Life

27 questions

Question

Medium

Solving time: 1 mins

Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an $S_{N} 2$ reaction.
(iii) pentan-1-ol using a suitable alkyl halide.

Views: 6,282 students

Updated on: Jan 24, 2024

Book:

Chemistry Part-II (NCERT)

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Harper Discussed

Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an

S_{N} 2

reaction.
(iii) pentan-1-ol using a suitable alkyl halide.

10 mins ago

Discuss this question LIVE

10 mins ago

Text solutionVerified

(i)

1

-phenylethanol can be prepared from ethylbenzene (styrene) by acid catalyzed hydration.

(ii)

Cyclohexylmethanol is prepared using chloromethylcyclohexane by a

S_{N} 2

reaction by treatment with

N a O H

. Hydroxide ion is the nucleophile.

(iii)

Pentan-

1

-ol can be prepared by using

1

-chloropentane by a

S_{N} 2

reaction by treatment with

N a O H

. Hydroxide ion is the nucleophile.

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Practice more questions from Chemistry Part-II (NCERT)

You are given benzene, conc.

H_{2} S O_{4}

and

N a O H

. Write the equations for the preparation of phenol using these reagents.

Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an

S_{N} 2

reaction.
(iii) pentan-1-ol using a suitable alkyl halide.

Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.

View all

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Question Text	Show how will you synthesise: (i) 1-phenylethanol from a suitable alkene. (ii) cyclohexylmethanol using an alkyl halide by an $S_{N} 2$ reaction. (iii) pentan-1-ol using a suitable alkyl halide.
Updated On	Jan 24, 2024
Topic	Alcohols, Phenols and Ethers
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 10
Upvotes	967
Avg. Video Duration	6 min

Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an $S_{N} 2$ reaction.
(iii) pentan-1-ol using a suitable alkyl halide.

Text solutionVerified

Filo tutor solutions (10)

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Show how will you synthesise:(i) 1-phenylethanol from a suitable alkene.(ii) cyclohexylmethanol using an alkyl halide by an SN​2 reaction.(iii) pentan-1-ol using a suitable alkyl halide.

Text solutionVerified

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Show how will you synthesise:
(i) 1-phenylethanol from a suitable alkene.
(ii) cyclohexylmethanol using an alkyl halide by an $S_{N} 2$ reaction.
(iii) pentan-1-ol using a suitable alkyl halide.