Alcohols Phenols And Ethers — DPP 1

20 NEET questions from Alcohols Phenols and Ethers, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

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1
Deoxygenation of phenol can be achieved by distillation with :-
  1. A Raney nickel
  2. B Lithium aluminium hydride
  3. C Sodium borohydride
  4. D Zinc dust
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Correct answer: D

Alcohols Phenols And Ethers – NEET-5402
2
Phenol on treatment with methyl chloride in the presence of anhydrous $\mathrm { AlCl } _ { 3 }$ gives chiefly:-
  1. A o-cresol
  2. B m-cresol
  3. C Anisole
  4. D p-cresol
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Correct answer: D

Alcohols Phenols And Ethers – NEET-5395
3
$\mathrm { p } , \mathrm { s }$ and $\mathrm { t }$ -alcohols can be distinguished by :-
  1. A Reimer-Tieman reaction
  2. B Tollen's reagent
  3. C Lucas test
  4. D Lassaigne's test
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Correct answer: C

1°, 2°, 3° Alcohols can be distinguished by Lucas test.
4
Which is maximum reactive towards $\mathrm { H } - \mathrm { X }$ ?
  1. A
  2. B
  3. C
  4. D
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Correct answer: B

Alcohols Phenols And Ethers – NEET-5390 In option (2) carbocation is stabilise by +M effect.
5
The compound $\mathrm { A } , \mathrm { B }$ and $\mathrm { C }$ in the reaction sequence
Alcohols Phenols And Ethers – NEET-5385 are given by the set
  1. A $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br } , \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { OH } , \mathrm { CH } _ { 3 } \mathrm { CHBr } _ { 2 }$
  2. B $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br } , \mathrm { CH } \equiv \mathrm { CH } , \mathrm { CH } _ { 2 } = \mathrm { CHBr }$
  3. C $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br } , \mathrm { CH } _ { 2 } = \mathrm { CH } _ { 2 } , \mathrm { CH } _ { 2 } \mathrm { Br } - \mathrm { CH } _ { 2 } \mathrm { Br }$
  4. D $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br } , \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { OH } , \mathrm { BrCH } _ { 2 } - \mathrm { CH } _ { 2 } \mathrm { Br }$
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Correct answer: C

Alcohols Phenols And Ethers – NEET-5385
6
Phenol can be distinguished from ethanol by reactions with the following except :-
  1. A Iodine and alkali
  2. B Ferric chloride
  3. C Acetyl chloride
  4. D Bromine water
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Correct answer: C

Alcohols Phenols And Ethers – NEET-5400
7
Nitration of phenol with conc. $\mathrm { H } _ { 2 } \mathrm { SO } _ { 4 }$ followed by nitric acid gives :-
  1. A
  2. B
  3. C
  4. D
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Correct answer: D

Alcohols Phenols And Ethers – NEET-5401
8
Alkyl halides can be obtained by all methods excepts
  1. A $\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}+\mathrm{HCl} \xrightarrow{\mathrm{ZnCl}_{2}}$
  2. B $\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{3}+\mathrm{HBr} \longrightarrow$
  3. C $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{NaCl} \longrightarrow$
  4. D $\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}+\mathrm{NaBr} \xrightarrow{\mathrm{H}_{2} \mathrm{SO}_{4}}$
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Correct answer: C

$\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}+\mathrm{HCl} \xrightarrow{\mathrm{ZnCl}_{2}} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}$

Alcohols Phenols And Ethers – NEET-5387

$\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{NaCl} \longrightarrow$ No Reaction

$\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}+\mathrm{NaBr} \xrightarrow{\mathrm{H}_{2} \mathrm{SO}_{4}} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$
9
Alcohols Phenols And Ethers – NEET-5398 Sodium phenate
  1. A
  2. B
  3. C
  4. D
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Correct answer: C

Alcohols Phenols And Ethers – NEET-5398
10
Which of the following does not turn orange colour of chromic acid to green
  1. A $1 ^ { \circ }$ alcohol
  2. B $2 ^ { \circ }$ alcohol
  3. C $3 ^ { \circ }$ alcohol
  4. D Allyl alcohol
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Correct answer: C

3° Alcohol doesn’t turn orange colour to green.
11
Which of the following does not react with aq. $\mathrm { NaOH } : -$
  1. A Phenol
  2. B Benzoic acid
  3. C $\mathrm { CH } _ { 3 } \mathrm { COOH }$
  4. D $\mathrm { CH } _ { 3 } - \mathrm { O } - \mathrm { C } _ { 6 } \mathrm { H } _ { 5 }$
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Correct answer: D

$\mathrm{CH}_{3}-\mathrm{O}-\mathrm{C}_{6} \mathrm{H}_{5}$ doesn't react with aq. NaOH .
12
Which is most reactive with H-X ?
  1. A
  2. B
  3. C
  4. D
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Correct answer: A

Reactivity of $\mathrm{HX} \propto$ Degree of alcohol
$3^{\circ}>2^{\circ}>1^{\circ}$
13
Select the incorrect option for the following reaction:
Alcohols Phenols And Ethers – NEET-5383


  1. A This is an example of NAR of alkene
  2. B In the first step, protonation of alkene takes place
  3. C In the second step, Nucleophilic attack of water takes place on carbocation
  4. D In the last step deprotonation takes place to form an alcohol
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Correct answer: A

Alcohols Phenols And Ethers – NEET-5383 This is an example of EAR.

14
Phenol on heating with $\mathrm { NaNO } _ { 2 }$ and a few drops of conc. $\mathrm { H } _ { 2 } \mathrm { SO } _ { 4 }$ mainly gives :-
  1. A p-nitrophenol
  2. B p-nitrosophenol
  3. C o-nitrophenol
  4. D m-nitrosophenol
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Correct answer: B

$\mathrm{NaNO}_{2}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{HNO}_{2}$
Alcohols Phenols And Ethers – NEET-5396


15
Phenol on treatment with dil $\mathrm { HNO } _ { 3 }$ at low temp ( 298 K ) gives two products P and Q. P is steam volatile but Q is not. P and Q are respectively.
  1. A
  2. B
  3. C
  4. D
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Correct answer: A

Alcohols Phenols And Ethers – NEET-5403
16
Which reaction gives only dihalide
  1. A
  2. B
  3. C
  4. D
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Correct answer: A

Alcohols Phenols And Ethers – NEET-5389 Alcohols Phenols And Ethers – NEET-5389


17
The reaction
Alcohols Phenols And Ethers – NEET-5399 is called :-
  1. A Schotten Bauman reaction
  2. B Kolbe Schmidt reaction
  3. C Reimer-Tiemann reaction
  4. D Lederer-Manasse reaction
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Correct answer: B

Alcohols Phenols And Ethers – NEET-5399 [Kolbe’s Schmidt section]
18
Consider the following reaction :
$\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { OH } + \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } \rightarrow$ Product
Among the following, which one cannot be formed as a product under any conditions?
  1. A $\mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { OSO } _ { 3 } \mathrm { H }$
  2. B $\mathrm { H } _ { 2 } \mathrm { C } = \mathrm { CH } _ { 2 }$
  3. C $\mathrm { HC } \equiv \mathrm { CH }$
  4. D $\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }$
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Correct answer: C

$\begin{array}{r}\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{OH}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OSO}_{3} \mathrm{H} + \mathrm{Et}-\mathrm{O}-\mathrm{Et}\end{array}$
19
In which reaction 3° Halide is not obtained as a major product ?
  1. A
  2. B
  3. C
  4. D
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Correct answer: A

Alcohols Phenols And Ethers – NEET-5388 Primary alcohol on reacting with HCl follow $\mathrm{S}_{\mathrm{N}^{2}}$ mechanism, Hence No carbocation form.
20
In the reaction sequence
$\mathrm { A } \xrightarrow { \mathrm { HBr } } \mathrm { B } \xrightarrow { \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { ONa } }$ Ethoxyethane,
A and B are :-
  1. A $\mathrm { C } _ { 2 } \mathrm { H } _ { 6 } , \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br }$
  2. B $\mathrm { CH } _ { 4 } , \mathrm { CH } _ { 3 } \mathrm { Br }$
  3. C $\mathrm { CH } _ { 2 } = \mathrm { CH } _ { 2 } , \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { Br }$
  4. D $\mathrm { CH } \equiv \mathrm { CH } , \mathrm { CH } _ { 2 } = \mathrm { CHBr }$
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Correct answer: C

Alcohols Phenols And Ethers – NEET-5405

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