300+ TOP MCQs on Alcohols, Phenols and Ethers and Answers

NEET  Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Alcohols, Phenols and Ethers Multiple Choice Questions

MCQs on Alcohols, Phenols and Ethers :

1. Benzenediazonium chloride on reaction with phenol in weakly basic medium gives
(A) diphenyl ether
(B) p-hydroxyazobenzene
(C) chlorobenzene
(D) Benzene

Answer

Answer: (b)

2. Phenol reacts with bromine in CS₂ at low temperature to give
(A) m-bromophenol
(B) o-and p-bromophenol
(C) p-bromophenol
(D) 2,4,6-tribromophenol

Answer

Answer: (b)

3. When phenol is treated with excess bromine water it gives
(A) m-bromophenol
(B) o- and p-bromophenol
(C) 2,4-dibromophenol
(D) 2,4,6-tribromophenol

Answer

Answer: (d)

4. Phenol on reduction with H₂ in the presence of Ni catalyst gives
(A) benzene
(B) toluene
(C) cyclohexane
(D) Cyclohexanol

Answer

Answer: (d)

5. Dehydration of alcohol is an example of
(A) addition reaction
(B) elimination reaction
(C) substitution reaction
(D) redox reaction

Answer

Answer: (b)

6. The compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline H₂O₂ is
(A) ethanol
(B) propanol
(C) ethanol
(D) triethyl bromide

Answer

Answer: (a)

7. Which of the following is formed when phenol is exposed to air?
(A) o-Benzoquinone
(B) p-Benzoquinone
(C) Phenoquinone
(D) o-and p-Benzoquinone

Answer

Answer: (d)

8. Which of the following is formed when glycerol is heated with oxalic acid at 503K?
(A) Glyceric acid
(B) Acrolein
(C) Allyl alcohol
(D) Methanoic acid

Answer

Answer: (c)

9. The alcohol which does not react with Lucas reagent is
(A) isobutyl alcohol
(B) n-butanol
(C) tert-butyl alcohol
(D) sec-butyl alcohol

Answer

Answer: (b)

10. Phenol is less acidic than
(A) acetic acid
(B) p-methoxyphenol
(C) p-nitrophenol
(D) Ethanol

Answer

Answer: (a,c)