Class 12 Chemistry - Chapter 11: Alcohols Phenols and Ethers MCQ Questions

34 Questions 68 Minutes

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Your Class 12 Chemistry Study Path

Question 1

Which of the following compounds will react with sodium hydroxide solution in water?

A C₂H₅OH

B (CH₃)₃COH

C C₆H₅CH₂OH

D C₆H₅OH

Question 2

Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

A Pentan-1-ol, butan-1-ol, butan-2-ol, propan-1 -ol

B Pentan-1-ol, butan-2-ol, butan-1-ol, propan-1 -ol

C Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

D Propan-1-ol, butan-2-ol, butan-1-ol, pentan-1-ol

Question 3

A A

B B, C

C A, D

D A, B, C, D

Question 4

Ethers on hydrolysis give

A ketone

B ester

C alcohol

D carboxylic acid

Question 5

A isopropylmethyl ether

B 2-methoxypropane

C 2-methoxy-2-methylethane

D 1-methoxy-1-methylethane

Question 6

The test used to distinguish alcohols from one another is known as

A Lucas Lest

B Iodoform test

C 2, 4-DNP test

D Hinsbergâ€™s test

Question 7

Dehydration of tertiary alcohols with Cu at 573 gives

A None of these

B Alkenes

C Ketones

D Aldehydes

Question 8

A 2-Chlorohexan-5-ol

B 5-Chlorohexan-2-ol

C 2-Hydroxy-5-chlorohexane

D 2-Chloro-5-hydroxyhexane

Question 9

Phenol is less acidic than

A o-methoxyphenol

B o-methylphenol

C o-nitrophenol

D ethanol

Question 10

A 2,3-Dimethyl-4-chloropentan-1 -ol.

B 4-Chloro-2,3-dimethylpentan-1 -ol

C 2-Chloro-3,4-dimethylpentan-5-ol

D 2-Chloro-3,4-dimethyl-n-pentyl alcohol

Question 11

Phenols on reaction with cone. HNO₃ in the presence of cone. H₂SO₄ give

A 2,4,6-trinitrophenol.

B p-nitrophenol

C m-nitrophenol

D o-nitrophenol

Question 12

How many alcohols with molecular formula C₄H₁₀O are chiral in nature?

A 4

B 3

C 2

D 1

Question 13

A will be

A CH₃CH₂CH₂CH₃

B (C₂H₅)₂O

C C₂H₅OCH₃

D CH₂=CH₂

Question 14

Neutral ferric chloride test can be used to distinguish between

A Phenols and alcohols

B Amines and aldehyde

C Aldehydes and ketones

D Alcohols and ethers

Question 15

A and B are:

A CH₃CH₂l, C₆H₅OH

B C₆H₅CH₂OH, CH₃l

C C₆H₅OH, CH₃l

D C₆H₅l, CH₃OH

Question 16

A Glycerol

B Propane -1, 2, 3-triol

C Propane-1, 2-diol

D Propane-1, 3-diol

Question 17

A E>D>C>B>A

B D>E>C>B>A

C B>D>A>C>E

D E>D>B>A>C

Question 18

Which has highest value of pK_a?

A o-Cresol

B o-Nitrophenol

C Ethanol

D Phenol

Question 19

Molecular formula of ethers is:

A None of these

B C_nH_2n+1O

C C_nH_2nO

D C_nH_2n+2O

Question 20

Reaction used for the preparation of ethers is

A Cannizzaro reaction

B Wurtz reaction

C Williamsonâ€™s synthesis

D Reimer-Tiemann reaction

Question 21

Methanol and ethanol can be distinguished by using

A Carbylamine test.

B Tollenâ€™s test

C Iodoform test

D Fehlingâ€™s test

Question 22

Which of the following species can act as the strongest base?

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B ^Î˜OC₆H₅

C ^Î˜OR

D ^Î˜OH

Question 23

Williamson synthesis is used to prepare:

A Ether

B Ketone

C Amine

D Alcohol

Question 24

Which of the following is most acidic?

A m-Chlorophenol.

B Phenol

C Cyclohexanol

D Benzyl alcohol

Question 25

A 2-Methyl-2-propoxypropane

B 2-Propoxypropane

C 2-Propoxybutane

D 2-Cyclopropoxybutane

Question 26

Williamsonâ€™s synthesis is an example of:

A None of the above

B Electrophilic substitution

C Nucleophilic addition

D Nucleophilic substitution reaction

Question 27

CH₃CH₂OH can be converted into CH₃CHO by

A treatment with KMnO₄

B treatment with pyridinium chlorochromate

C treatment with LiAlH₄

D (Ð°) catalytic hydrogenation

Question 28

A 3Â° > 1Â° > 2Â°

B 3Â° > 2Â° > 1Â°

C 1Â° < 2Â° > 3Â°

D 1Â° > 2Â° > 3Â°

Question 29

The process of converting alkyl halides into alcohols involves

A rearrangement reaction

B dehydrohalogenation reaction

C substitution reaction

D addition reaction

Question 30

Which of the following has highest boiling point?

A Butan-1-ol

B Propan-1 -ol

C Ethanol

D Methanol

Question 31

On reaction with aqueous bromine at room temperature, phenol forms which of the following?

A 3, 5-Dibromophenol

B 2, 4, 6-Tribromophenol

C 2, 6-Dibromophenol

D meta-Bromophenol

Question 32

Which is weakest acid in the following?

A (CH₃)₃COH

B CH₃CH₂OH

C (CH₃)₂CHOH

D CH₃OH

Question 33

IUPAC name of m-cresol is

A benzene-1,3-diol

B 3-methoxyphenol

C 3-chlorophenol

D 3-methylphenol

Question 34

A (iii) < (ii) < (i)

B (ii) < (iii) < (i)

C (ii) < (i) < (iii)

D (i) < (ii) < (iii)

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Class 12 Chemistry - Chapter 11: Alcohols Phenols and Ethers MCQ Questions

Your Class 12 Chemistry Study Path

Which of the following compounds will react with sodium hydroxide solution in water?

Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

Ethers on hydrolysis give

The test used to distinguish alcohols from one another is known as

Dehydration of tertiary alcohols with Cu at 573 gives

Phenol is less acidic than

Phenols on reaction with cone. HNO₃ in the presence of cone. H₂SO₄ give

How many alcohols with molecular formula C₄H₁₀O are chiral in nature?

A will be

Neutral ferric chloride test can be used to distinguish between

A and B are:

Which has highest value of pK_a?

Molecular formula of ethers is:

Reaction used for the preparation of ethers is

Methanol and ethanol can be distinguished by using

Which of the following species can act as the strongest base?

Williamson synthesis is used to prepare:

Which of the following is most acidic?

Williamsonâ€™s synthesis is an example of:

CH₃CH₂OH can be converted into CH₃CHO by

The process of converting alkyl halides into alcohols involves

Which of the following has highest boiling point?

On reaction with aqueous bromine at room temperature, phenol forms which of the following?

Which is weakest acid in the following?

IUPAC name of m-cresol is

Practice Complete!

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Class 12 Chemistry - Chapter 11: Alcohols Phenols and Ethers MCQ Questions

Your Class 12 Chemistry Study Path

Which of the following compounds will react with sodium hydroxide solution in water?

Propan-1-ol, butan-1-ol, butan-2-ol, pentan-1-ol

Ethers on hydrolysis give

The test used to distinguish alcohols from one another is known as

Dehydration of tertiary alcohols with Cu at 573 gives

Phenol is less acidic than

Phenols on reaction with cone. HNO3 in the presence of cone. H2SO4 give

How many alcohols with molecular formula C4H10O are chiral in nature?

A will be

Neutral ferric chloride test can be used to distinguish between

A and B are:

Which has highest value of pKa?

Molecular formula of ethers is:

Reaction used for the preparation of ethers is

Methanol and ethanol can be distinguished by using

Which of the following species can act as the strongest base?

Williamson synthesis is used to prepare:

Which of the following is most acidic?

Williamsonâ€™s synthesis is an example of:

CH3CH2OH can be converted into CH3CHO by

The process of converting alkyl halides into alcohols involves

Which of the following has highest boiling point?

On reaction with aqueous bromine at room temperature, phenol forms which of the following?

Which is weakest acid in the following?

IUPAC name of m-cresol is

Practice Complete!

Related Student Tools

Grade Calculator

Marks Percentage Calculator

Percentage Calculator

Students Also Read

Discover More on SaralStudy

Latest Blogs

Popular Blogs

Quick & Popular Links

Quick Links

Popular Study Links

What Students Are Viewing

Phenols on reaction with cone. HNO₃ in the presence of cone. H₂SO₄ give

How many alcohols with molecular formula C₄H₁₀O are chiral in nature?

Which has highest value of pK_a?

CH₃CH₂OH can be converted into CH₃CHO by