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)