JEE Main - Alcohols phenols and ethers preparation properties reactions and identification Online Test (MCQ Quiz)

1. Which of the following is the IUPAC name for isopropyl alcohol?

A) Propan-1-ol B) Propan-2-ol C) Ethanol D) Methanol

2. Which method is commonly used for the industrial production of ethanol?

A) Oxidation of methane B) Hydration of ethene C) Reduction of ethanoic acid D) Fermentation of sugars

3. The reaction of phenol with bromine water produces which of the following?

A) 2,4,6-tribromophenol B) 2-bromophenol C) 4-bromophenol D) Bromobenzene

4. Which reagent is used to convert an alkyl halide to an alcohol?

A) Sodium hydroxide B) Potassium permanganate C) Chromic acid D) Hydrogen peroxide

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

A) Primary alcohol B) Secondary alcohol C) Tertiary alcohol D) Allylic alcohol

6. The Williamson ether synthesis involves the reaction between:

A) An alcohol and an acid B) An alkoxide ion and a primary alkyl halide C) A phenol and a base D) An alkene and water

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

A) Ethene B) Diethyl ether C) Ethanal D) Ethanoic acid

8. Phenol is:

A) A stronger acid than ethanol B) A weaker acid than ethanol C) An acid of similar strength to ethanol D) Not acidic

9. Which of the following reactions is characteristic of alcohols?

A) Electrophilic addition B) Nucleophilic substitution C) Dehydration D) Oxidation

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

A) Dehydrogenation B) Dehydration C) Intermolecular dehydration D) Intramolecular dehydration

11. Which of the following is the most acidic phenol derivative?

A) Phenol B) p-Cresol C) o-Nitrophenol D) p-Nitrophenol

12. The reaction of an alcohol with an acyl chloride in the presence of a base like pyridine yields:

A) An ether B) An ester C) An aldehyde D) A carboxylic acid

13. Which of the following alcohols can be oxidized to a ketone?

A) Methanol B) Ethanol C) Propan-1-ol D) Propan-2-ol

14. What is the product of the reaction between phenol and sodium hydroxide?

A) Sodium phenoxide B) Sodium benzoate C) Sodium salicylate D) Sodium phenolate

15. The Lucas test is used to distinguish between:

A) Primary, secondary, and tertiary alcohols B) Alcohols and phenols C) Aldehydes and ketones D) Carboxylic acids and esters

16. What is the characteristic reaction of ethers?

A) Electrophilic substitution on the alkyl group B) Nucleophilic attack on the oxygen atom C) Cleavage of the C-O bond by strong acids D) Oxidation to peroxides

17. Which of the following is an example of a phenol?

A) C6H5CH2OH B) C6H5OH C) CH3OCH3 D) CH3CH2OH

18. The conversion of a primary alcohol to an aldehyde can be achieved using which mild oxidizing agent?

A) Potassium permanganate B) Chromic acid C) Pyridinium chlorochromate (PCC) D) Potassium dichromate

19. Which alcohol reacts fastest with Lucas reagent?

A) Ethanol B) Propan-1-ol C) Propan-2-ol D) 2-Methylpropan-2-ol

20. The Kolbe's reaction involves the carboxylation of:

A) Ethanol B) Phenol C) Aniline D) Benzene

21. Which of the following is a method for preparing ethers?

A) Grignard reaction B) Fischer esterification C) Williamson ether synthesis D) Cannizzaro reaction

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

A) Salicylic acid B) Salicylaldehyde C) Anisole D) Benzaldehyde

23. The functional group in phenols is:

A) -OH group attached to an alkyl chain B) -OH group attached to an aromatic ring C) -OR group attached to an aromatic ring D) -OH group attached to a carbon with a double bond

24. Which of the following alcohols is a liquid at room temperature?

A) Methanol B) Ethanol C) Propan-1-ol D) All of the above

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

A) Aldehydes B) Carboxylic acids C) Ketones D) Esters

26. Which of the following is NOT a property of phenols?

A) Acidity B) Electrophilic substitution C) Oxidation to ketones D) Formation of salts with strong bases

27. The ether linkage is represented by the functional group:

A) -OH B) -COOH C) -O- D) -CHO

28. Which of the following is a method for identifying primary, secondary, and tertiary alcohols?

A) Tollens' test B) Fehling's test C) Lucas test D) Victor Meyer test

29. The Reimer-Tiemann reaction is used to synthesize:

A) Phenols B) Anisole C) Salicylaldehyde D) Benzoic acid

30. Which of the following is the most common method for preparing simple symmetrical ethers?

A) Oxidation of alcohols B) Dehydration of alcohols C) Williamson ether synthesis D) Grignard reaction

31. Which alcohol has the highest boiling point?

A) Methanol B) Ethanol C) Propan-1-ol D) Butan-1-ol

32. Phenol reacts with acetyl chloride to form:

A) Phenyl acetate B) Acetophenone C) Benzoyl chloride D) Phenyl benzoate

33. The C-O bond in phenols is:

A) Weaker than in alcohols B) Stronger than in alcohols C) Similar in strength to alcohols D) Non-polar

34. Which of the following is an example of an ether?

A) CH3CH2OH B) C6H5OH C) CH3OCH3 D) CH3COOH

35. The dehydration of propan-1-ol yields:

A) Propene B) Propyne C) Dipropyl ether D) Propanal

36. Which reagent is used to convert phenol to anisole?

A) Sodium hydroxide B) Dimethyl sulfate C) Concentrated sulfuric acid D) Bromine water

37. Which of the following alcohols will undergo dehydration most readily?

A) Propan-1-ol B) Propan-2-ol C) 2-Methylpropan-1-ol D) 2-Methylpropan-2-ol

38. The reaction of phenol with dilute nitric acid gives:

A) p-Nitrophenol B) o-Nitrophenol C) Picric acid (2,4,6-trinitrophenol) D) m-Nitrophenol

39. Ethers are generally:

A) More reactive than alcohols B) Less reactive than alcohols C) Equally reactive as alcohols D) Highly reactive towards oxidation

40. The product of the reaction of ethanol with sodium is:

A) Sodium ethoxide B) Sodium hydroxide C) Hydrogen gas D) Ethanal

41. Which of the following is a method for the preparation of phenols?

A) Hydrolysis of alkyl halides B) Reduction of carboxylic acids C) Fusion of sodium benzenesulfonate with NaOH D) Oxidation of benzene

42. The order of reactivity of alcohols with Lucas reagent is:

A) Primary > Secondary > Tertiary B) Secondary > Primary > Tertiary C) Tertiary > Secondary > Primary D) Primary = Secondary = Tertiary

43. Which of the following is a common application of ethanol?

A) Solvent B) Antiseptic C) Fuel D) All of the above

44. Phenol can be converted to phenyl ether by reaction with:

A) Methyl iodide and NaOH B) Sodium hydroxide and dimethyl sulfate C) Ethanol and H2SO4 D) Acetyl chloride and pyridine

45. The reaction of an alcohol with a carboxylic acid in the presence of an acid catalyst is known as:

A) Williamson ether synthesis B) Fischer esterification C) Dehydration D) Oxidation

46. Which of the following alcohols is obtained by the hydration of propene?

A) Propan-1-ol B) Propan-2-ol C) 1-Methoxypropane D) 2-Methoxypropane

47. The oxidation of primary alcohols with strong oxidizing agents like KMnO4 yields:

A) Aldehydes B) Ketones C) Carboxylic acids D) Esters

48. Which of the following is an example of an allylic alcohol?

A) Ethanol B) Propan-2-ol C) Allyl alcohol (Prop-2-en-1-ol) D) Benzyl alcohol

49. The reaction of phenol with concentrated sulfuric acid and nitric acid at low temperatures produces:

A) Picric acid B) o-Nitrophenol and p-Nitrophenol C) m-Nitrophenol D) Benzene

50. Which of the following ethers is used as an anesthetic?

A) Dimethyl ether B) Diethyl ether C) Diphenyl ether D) Anisole

Alcohols phenols and ethers preparation properties reactions and identification - Online Test

Test Results