NEET Chemistry Alcohols Phenols and Ethers MCQs Set 01

Question: Which among the following is alcohol?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Which one is ether?

• a)

  

• b)

  

• c)

  

• d) All of these

Answer: All of these

Question: Which one is phenol?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:   IUPAC name of HOCH₂CH₂OH is:

• a) Ethylene glycol
• b) Ethane-1,2-diol 
• c) Ethyl-1,2-diol 
• d) Ethylene diol

Answer:  Ethane-1,2-diol 

Question:  IUPAC name of 

is

• a) Ethyl propyl ether
• b) Propyl elhoxide
• c) Ethoxy propane
• d) Propoxy ethane

Answer: Ethoxy propane

Question:  IUPAC name of

is

• a) Benzyl ethoxide
• b) Ethoxy benzyl
• c) Benzene ethoxide
• d) Ethoxy benzene

Answer: Ethoxy benzene

Question: Which among the following show tautomerism?

• a) Alcohols
• b) Phenol
• c) Ethers
• d) Anisole

Answer: Phenol

Question: Alcohols and ethers are

• a) Position isomers
• b) Functional isomers
• c) Chain isomers
• d) Metamers

Answer: Functional isomers

Question: Which one will be optically active?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Which one is optically active aromatic ether?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: How many minimum number of carbons are needed for an optically active ether?

• a) 2
• b) 3
• c) 4
• d) 5

Answer: 5

Question:  3° alkyl halides form alcohols preferably via

• a) S_N2    
• b) S_N1
• c) Transition state
• d) S_Ni

Answer:  S_N1

Question:  ROH + SOCl_{2  ——→} ?

The final product is

• a) Alkyl chloride
• b) Alkyl sulphate
• c) Alkene
• d) Ether

Answer: Alkyl chloride

Question:  Which one is preferable reagent for given reaction?

R CH₂— X —→ HO — CH₂R

• a) (H₂O + KOH) 
• b) (ROH + KOH)
• c) (ROH + KOH) / Δ   
• d) (H₂O + KOH) / Δ

Answer: (H₂O + KOH) 

Question:  S_N1 mechanism is observed in

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

Reaction happens via

• a) S_N1 
• b) S_N2
• c) S_Ni 
• d) ArS_N1

Answer:  S_N1 

Question:

major product is

• a)

  

• b)

  

• c) CH₃CH₂CH₂OH
• d)

  

Answer:

Question:

Product (B) is

• a) RCHO + HCHO
• b) RCHO + HCOOH
• c) RCOOH + HCOOH
• d)  RCH₂OH + CH₃OH

Answer:  RCH₂OH + CH₃OH

Question: Reaction involving anti addition is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Grignard reagent is suitable reagent for the preparation of which of the following, from carbonyl compound?

• a) 1° alcohols 
• b) 2° alcohols 
• c) 3° alcohols
• d) All of these

Answer: All of these

Question:

A is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

Here reagent is

• a) LiAlH₄
• b) NaBH₄
• c) Ni/H₂ 
• d) All of these

Answer: All of these

Question:

Here reagent is

• a) LiAlH₄   
• b) NaBH₄
• c) Both (1) & (2)
• d) Red P/HI

Answer:  LiAlH₄   

Question: Boiling point will be least for

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Which one is most viscous?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Lowest boiling point is for

• a) Butanol
• b) Pentanol
• c) 2-methyl propane-2-ol
• d) 2-methyl butane-2-ol

Answer:  2-methyl propane-2-ol

Question:

• a)

  R — X

• b) Alkene
• c) Both (1) & (2)
• d) No product

Answer:  R — X

Question:  1° alcohols preferably undergo dehydration via

• a) E₁ 
• b) E₂
• c) S_N1  
• d) S_N2

Answer:  E₂

Question: Which one is inter-molecular dehydration?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Order of nucleophilicity is

• a) CH₃O^– < C₂H₅O^– 
• b) C₂H₅O^– < C₂H₅S^–
• c) CH₃O^– < CH₃S^–  
• d) All of these

Answer: All of these

Question:

Products are

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Lucas test is used to distinguish

• a) Phenols
• b) Ethers
• c) Alcohols
• d) Alkyl halides

Answer: Alcohols

Question: In Lucas test immediate turbidity is caused by

• a) 3° alcohols 
• b) 2° alcohols 
• c) 1° alcohols
• d) Phenol

Answer:  3° alcohols 

Question: Phenols can be distinguished from alcohols by

• a) FeCl₃(neutral) 
• b) Fehling solution
• c) Tollen’s reagent
• d) 2,4-DNP

Answer:  FeCl₃(neutral) 

Question: Most acidic among the following is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Correct acidic order of acidity is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

major product is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

above conversion is

• a) LiAlH₄
• b) Zn
• c)

  

• d) NaBH₄

Answer: Zn

Question: In Reimer-Tiemann reaction, the major product is

• a) Ortho isomer due to intra molecular H-bonding
• b) Meta isomer
• c) Para isomer due to symmetry
• d) None of these

Answer: Ortho isomer due to intra molecular H-bonding

Question: Electrophile in Reimer-Tiemann reaction

• a) CHCl₃
• b) : CH₂
• c) : CCl₂ 
• d) CO₂

Answer:  : CCl₂ 

Question: Molecule which does not oxidise using PCC

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Which one of the following is best Lewis base?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

Product/(s) will be:

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

• a) CH₃OH + CH₃CH₂I   
• b) CH₃I + CH₃CH₂OH
• c) CH₃I + CH₃CH₂I   
• d) CH₃OH + CH₃CH₂OH

Answer:  CH₃I + CH₃CH₂I   

Question:

X and Y respectively are

• a) Toluene, propene
• b) Toluene, propylchloride
• c) Phenol, acetone
• d) Phenol, acetaldehyde

Answer: Phenol, acetone

Question:

What is the major product A?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

What is the major product B?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:  Which of the following is the correct increasing order of boiling point of following compounds?

• a) II < I < III
• b) III < II < I
• c) I < II < III
• d) II < III < I

Answer: III < II < I

Question:

What is Y?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:  Which of the following is the correct ease of dehydration?

• a) I > III > II > IV
• b) IV > III > II > I
• c) IV > II > III > I
• d) III > IV > II > I

Answer: IV > III > II > I

Question:

• a) Sodium metal
• b) Neutral FeCl₃
• c) Lucas reagent
• d) Esterification reaction

Answer: Lucas reagent

Question:

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:  Consider the following reaction :

The product Z is

• a) Benzene
• b) Toluene
• c) Benzaldehyde
• d) Benzoic acid

Answer: Benzoic acid

Question:

What is X?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

What is Y?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

What is Y?

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:  Which of the following will not give positive test with neutral FeCl₃?

• a) Nitrophenol
• b) Phenol
• c) Allyl alcohol
• d) o-cresol

Answer: Allyl alcohol

Question: In Dow's process haloarene is converted to phenol with fused NaOH. The most reactive compound is

• a)

  

• b)

  

• c)

  

• d) All are equally reactive

Answer:

Question:  Among the following four compounds

a. Phenol

b. Methyl phenol

c. Meta nitrophenol

d. Para nitrophenol

The acidity order is

• a) d > c > a > b
• b) c > d > a > b
• c) a > d > c > b
• d) b > a > c > d

Answer: d > c > a > b

Question: Reaction of t-butyl bromide with sodium methoxide produces

• a) Sodium t-butoxide
• b) t-butyl methyl ether
• c) Isobutane
• d) Isobutylene

Answer: Isobutylene