JEE Main - Alcohols phenols and ethers preparation properties reactions and identification One Line Questions & Answers

1. The ether linkage is represented by the functional group: — -O-

2. The functional group in phenols is: — -OH group attached to an aromatic ring

3. The reaction of phenol with bromine water produces which of the following? — 2,4,6-tribromophenol

4. Phenol is: — A stronger acid than ethanol

5. Which of the following is NOT a property of phenols? — Oxidation to ketones

6. The reaction of secondary alcohols with oxidizing agents like K2Cr2O7/H+ yields: — Ketones

7. The oxidation of primary alcohols with strong oxidizing agents like KMnO4 yields: — Carboxylic acids

8. The Williamson ether synthesis involves the reaction between: — An alkoxide ion and a primary alkyl halide

9. The reaction of an alcohol with an acyl chloride in the presence of a base like pyridine yields: — An ester

10. Which of the following is an example of a phenol? — C6H5OH

11. Which of the following is an example of an ether? — CH3OCH3

12. The conversion of an alcohol to an ether by heating with a strong acid at a lower temperature (around 413 K) is called: — Intermolecular dehydration

13. Which of the following ethers is used as an anesthetic? — Diethyl ether

14. Which of the following reactions is characteristic of alcohols? — Dehydration

15. What is the characteristic reaction of ethers? — Cleavage of the C-O bond by strong acids

16. Which alcohol reacts fastest with Lucas reagent? — 2-Methylpropan-2-ol

17. The Kolbe's reaction involves the carboxylation of: — Phenol

18. Which of the following is an example of an allylic alcohol? — Allyl alcohol (Prop-2-en-1-ol)

19. What is the main product of the dehydration of ethanol at 443 K using concentrated sulfuric acid? — Ethene

20. Which of the following is a method for preparing ethers? — Williamson ether synthesis

21. Which of the following is a method for the preparation of phenols? — Fusion of sodium benzenesulfonate with NaOH

22. Which of the following alcohols can be oxidized to a ketone? — Propan-2-ol

23. Which of the following alcohols is a liquid at room temperature? — All of the above

24. Which alcohol has the highest boiling point? — Butan-1-ol

25. Phenol can be converted to phenyl ether by reaction with: — Sodium hydroxide and dimethyl sulfate

26. Ethers are generally: — Less reactive than alcohols

27. Which of the following is the most common method for preparing simple symmetrical ethers? — Dehydration of alcohols

28. Which method is commonly used for the industrial production of ethanol? — Fermentation of sugars

29. The reaction of phenol with dilute nitric acid gives: — o-Nitrophenol

30. Which of the following is the most acidic phenol derivative? — p-Nitrophenol

31. The Reimer-Tiemann reaction is used to synthesize: — Salicylaldehyde

32. Phenol reacts with acetyl chloride to form: — Phenyl acetate

33. The reaction of phenol with concentrated sulfuric acid and nitric acid at low temperatures produces: — o-Nitrophenol and p-Nitrophenol

34. The conversion of a primary alcohol to an aldehyde can be achieved using which mild oxidizing agent? — Pyridinium chlorochromate (PCC)

35. The order of reactivity of alcohols with Lucas reagent is: — Tertiary > Secondary > Primary

36. Which type of alcohol is formed when the hydroxyl group is attached to a tertiary carbon atom? — Tertiary alcohol

37. The Lucas test is used to distinguish between: — Primary, secondary, and tertiary alcohols

38. Which of the following is the IUPAC name for isopropyl alcohol? — Propan-2-ol

39. Which of the following alcohols will undergo dehydration most readily? — 2-Methylpropan-2-ol

40. Which of the following alcohols is obtained by the hydration of propene? — Propan-2-ol

41. The dehydration of propan-1-ol yields: — Propene

42. When phenol is heated with chloroform in the presence of a base, the product formed is: —

43. The product of the reaction of ethanol with sodium is: — Sodium ethoxide

44. Which reagent is used to convert an alkyl halide to an alcohol? — Sodium hydroxide

45. Which reagent is used to convert phenol to anisole? — Dimethyl sulfate

46. What is the product of the reaction between phenol and sodium hydroxide? — Sodium phenoxide

47. Which of the following is a common application of ethanol? — All of the above

48. Which of the following is a method for identifying primary, secondary, and tertiary alcohols? — Lucas test

49. The C-O bond in phenols is: — Stronger than in alcohols

50. The reaction of an alcohol with a carboxylic acid in the presence of an acid catalyst is known as: — Fischer esterification

Alcohols phenols and ethers preparation properties reactions and identification - One Line Questions