Alcohols, Phenols and Ethers  MCQs

MCQs of Alcohols, Phenols and Ethers

Showing 101 to 110 out of 120 Questions
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101.
Mention the correct order of boiling points.
(a) Benzene > Chlorobenzene > Phenol
(b) Chlorobenzene > Phenol > Benzene
(c) Phenol > Benzene > Chlorobenzene
(d) Phenol > Chlorobenzene > Benzene
Answer:

Option (b)

102.
Name of the reaction and final product obtained by that reaction is given below. Which pair is not proper ?
(a) Kolbe-Schmitt reaction → 2-hydroxy benzoic acid
(b) Cumene reaction → Phenol and acetone
(c) Reimer-Tiemann reaction →2-hydroxy benzaldehyde
(d) Fries rearrangement → Methoxy benzoic acid
Answer:

Option (d)

103.
In the following reaction

X →∆Zn dust Y →PropeneAlkylation Z

What is X and Z ?

(a) X = Benzene, Z = Cumene
(b) X = Phenol, Z = Benzene
(c) X = Phenol, Z = Cumene
(d) X = Benzene, Z = Phenol
Answer:

Option (c)

104.
Which two of the following statements are correct for phenol ?

(1) Phenol is more acidic than alcohol.

(2) Phenol is used in production of melamine plastic.

(3) Phenol gives violet colour with neutral ferric chloride solution.

(4) Phenol when heated with acetyl chloride gives phenetole.

(a) Statements (3) and (4)
(b) Statements (1) and (4)
(c) Statements (2) and (3)
(d) Statements (1) and (3)
Answer:

Option (d)

105.
To convert pent-3-ene-2-ol into pent-3-ene-2-one the proper reagent is _____ .
(a) Acidic permanganate
(b) Acidic dichromate
(c) Chromic anhydride in glacial acetic acid
(d) Pyridinium chlorochromate (pcc)
Answer:

Option (c)

106.
How many alcohols and ethers are possible with general formula C4H10O ?
(a) 8
(b) 7
(c) 5
(d) 4
Answer:

Option (b)

107.
Which of the following alcohols will respond to Lucas test slowest ?
(a) Secondary butyl alcohol
(b) 3º-butanol
(c) Neopentyl alcohol
(d) None of the above
Answer:

Option (c)

108.
What is obtained as end product when phenol dissolved in aqueous solution of sodium hydroxide and is heated with carbondioxide gas at 398 K temperature and at 4-7 bar pressure ?
(a) Sodium salicylate
(b) Cumene hydroperoxide
(c) Salicylaldehyde
(d) Sodium phenoxide
Answer:

Option (a)

109.
Give bond angle in C - O - C and hybridization of oxygen atom in simple ether.
(a) 180º, sp
(b) 117º, sp2
(c) 111.7º, sp3
(d) 109º, sp3
Answer:

Option (c)

110.
Give the correct order of acidic strength of the following alcohols.
(a) 2-methyl propan-2-ol > propan-1-o > propan-2-ol
(b) Propan-1-ol > propan-2-ol > 2-methyl propan-2-ol
(c) 2-methyl propan-2-ol > propan-2-ol > propan-1-ol
(d) Propan-1-ol > 2-methyl propan-2-ol > propan-2-ol
Answer:

Option (b)

Showing 101 to 110 out of 120 Questions
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