Find here the NCERT chapter-wise Multiple Choice Questions from Class 12 Chemistry book Chapter 11 Alcohols, Phenols and Ethers with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Alcohols, Phenols and Ethers. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
MCQ Questions for Class 12 Chemistry With Answers
Q1. In CH3 CH2 OH, the bond that undergoes heterolytical change most readily is
(i) C-C
(ii) C-O
(iii) C-H
(iv) O-H
(iv) O-H
Q2. 1-Phenylethanol can be prepared by the reaction of benzaldehyde with
(i) methyl bromide
(ii) ethyl iodide and magnesium
(iii) methyl iodide and magnesium (Grignard reagent’s)
(iv) methyl bromide and aluminium bromide
(iii) methyl iodide and magnesium (Grignard reagent’s)
Q3. Picric acid is
(i) Trinitrophenol
(ii) Trinitrotoluene
(iii) Trinitrobenzene
(iv) Tribromobenzene
(i) Trinitrophenol
Q4. Which of the following is true regarding polyhydric alcohols?
(i) It should have one or more OH groups
(ii) It should have two or more OH groups
(iii) It should have three or more OH groups
(iv) It should have more than four OH groups
(ii) It should have two or more OH groups
Q5. Phenol reacts with Br2 in CS2 at low temperature to give
(i) o-Bromophenol
(ii) o-and p-promophenols
(iii) p-Bromophenol
(iv) 2, 4, 6Tribromophenol
(ii) o-and p-promophenols
Q6. Williamson’s synthesis is an example of:
(i) Nucleophilic substitution reaction
(ii) Nucleophilic addition
(iii) Electrophilic substitution
(iv) None of the above
(i) Nucleophilic substitution reaction
Q7. Which of the following alcohols will give the most stable carbocation during dehydration?
(i) 2-methyl-1-propanol
(ii) 2-methyl-2-propanol
(iii) 1-Butanol
(iv) 2-Butanol
(ii) 2-methyl-2-propanol
Q8. Dehydration of tertiary alcohols with Cu at 573 gives
(i) Aldehydes
(ii) Ketones
(iii) Alkenes
(iv) None of these
(iii) Alkenes
Q9. Lucas test is used for the detection of
(i) alcohols
(ii) alkyl halides
(iii) phenols
(iv) aldehydes
(i) alcohols
Q10. R-O-R, where R represent an alkyl or aryl group is the general formula of which compound?
(i) Ether
(ii) Ester
(iii) Aldehyde
(iv) Ketone
(i) Ether
Q11. Which of the following is most acidic?
(i) Phenol
(ii) Benzyl alcohol
(iii) m-chlorophenol
(iv) cyclohexanol
(iii) m-chlorophenol
Q12. The test used to distinguish alcohols from one another is known as
(i) Hinsberg’s test
(ii) 2, 4-DNP test
(iii) Iodoform test
(iv) Lucas Lest
(iv) Lucas Lest
Q13. What happens when tertiary butyl alcohol is passed over heated copper at 300°C?
(i) Secondary butyl alcohol is formed
(ii) 2-methylpropene is formed
(iii) 1-butene is formed
(iv) Butanol is formed
(ii) 2-methylpropene is forme
Q14. Among the following the one which reacts most readily with ethanol is
(i) p-nitrobenzyl bromide
(ii) p-chlorobenzyl bromide
(iii) p-methoxybenzyl bromide
(iv) p-methylbenzyl bromide
(iii) p-methoxybenzyl bromide
Q15. When Phenol is distilled with zinc dust, it gives
(i) Benzene
(ii) Toluene
(iii) Benzaldehyde
(iv) Benzoic acid
(i) Benzene
Q16. Ethers on hydrolysis give
(i) carboxylic acid
(ii) alcohol
(iii) ester
(iv) ketone
(ii) alcohol
Q17. What would be the reactant and reagent used to obtain 2, 4-dimenthyl pentan-3-ol?
(i) Propanal and propyl magnesium bromide
(ii) 3-methylbutanal and 2-methyl magnesium iodide
(iii) 2-dimethylpropanone and methyl magnesium odide
(iv) 2-methylpropanal and isopropyl magnesium iodide
(iv) 2-methylpropanal and isopropyl magnesium iodide
Q18. An example of a compound with functional group – O – is :
(i) acetic acid
(ii) methyl alcohol
(iii) diethyl ether
(iv) acetone
(iii) diethyl ether
Q19. Which of the following cannot be made by using Williamson Synthesis:
(i) Methoxybenzene
(ii) Benzyl p-nitrophenyl ether
(iii) tert. butyl methyl ether
(iv) Ditert. butyl ether
(iv) Ditert. butyl ether
Q20. Which of the following is most acidic?
(i) Benzyl alcohol
(ii) Cyclohexanol
(iii) Phenol
(iv) m-Chlorophenol.
(iv) m-Chlorophenol.
Q21. Acid catalysed dehydration of t-butanol is faster than that of n-butanol because
(i) tertiary carbocation is more stable than primary carbocation
(ii) primary carbocation is more stable than tertiary carbocation
(iii) t-butanol has a higher boiling point
(iv) rearrangement takes place during dehydration of t- butanol
(i) tertiary carbocation is more stable than primary carbocation
Q22. Ethers are
(i) Neutral
(ii) Basic
(iii) Acidic
(iv) Amphoteric
(ii) Basic
Q23. Williamson synthesis is used to prepare:
(i) Alcohol
(ii) Amine
(iii) Ketone
(iv) Ether
(iv) Ether
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MCQ Questions for Class 12 Chemistry with Answers
- Lesson 1. The Solid State Class 12 MCQ Questions
- Lesson 2. Solutions Class 12 MCQs
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- Lesson 4. Chemical Kinetics Class 12 MCQs
- Lesson 5. Surface Chemistry Class 12 MCQs
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