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Alcohols, Phenols and Ethers: JEE Main Previous Year Questions (2021-2026)
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Page 1 JEE Main Previous Year Questions (2021-2026): Alcohols, Phenols and Ethers (January 2026) Q1: The reactions which produce alcohol as the product are : Choose the correct answer from the options given below : A: B, D and E Only B: A and D Only C: A, C and E Only D: C and D Only Answer: D Explanation: Reaction given Alcohol Page 2 JEE Main Previous Year Questions (2021-2026): Alcohols, Phenols and Ethers (January 2026) Q1: The reactions which produce alcohol as the product are : Choose the correct answer from the options given below : A: B, D and E Only B: A and D Only C: A, C and E Only D: C and D Only Answer: D Explanation: Reaction given Alcohol Q2: Consider the following reaction sequence Compound (y) develops characteristic colour with neutral FeCl 3 Solution. Identify the INCORRECT statement from the following for the above sequence. A: Compound y will dissolve in NaHCO 3 and evolve a gas. B: Compound x is more acidic than compound y. C: Both compounds x and y will dissolve in NaOH. D: Both compounds x and y will burn with sooty flame. Answer: B Explanation: Q3: From the following, how many compounds contain at least one secondary alcohol? Page 3 JEE Main Previous Year Questions (2021-2026): Alcohols, Phenols and Ethers (January 2026) Q1: The reactions which produce alcohol as the product are : Choose the correct answer from the options given below : A: B, D and E Only B: A and D Only C: A, C and E Only D: C and D Only Answer: D Explanation: Reaction given Alcohol Q2: Consider the following reaction sequence Compound (y) develops characteristic colour with neutral FeCl 3 Solution. Identify the INCORRECT statement from the following for the above sequence. A: Compound y will dissolve in NaHCO 3 and evolve a gas. B: Compound x is more acidic than compound y. C: Both compounds x and y will dissolve in NaOH. D: Both compounds x and y will burn with sooty flame. Answer: B Explanation: Q3: From the following, how many compounds contain at least one secondary alcohol? Choose the correct answer from the options given below: A: Three B: Two C: Four D: Five Answer: A Explanation: II, IV & V are secondary alcohol. Q4: A hydroxy compound (X) with molar mass 122 g mol ?¹ is acetylated with acetic anhydride, using a large excess of the reagent ensuring complete acetylation of all hydroxyl groups. The product obtained has a molar mass of 290 g mol ?¹. The number of hydroxyl groups present in compound (X) is: A: 2 B: 4 C: 3 D: 5 Answer: B Explanation: Page 4 JEE Main Previous Year Questions (2021-2026): Alcohols, Phenols and Ethers (January 2026) Q1: The reactions which produce alcohol as the product are : Choose the correct answer from the options given below : A: B, D and E Only B: A and D Only C: A, C and E Only D: C and D Only Answer: D Explanation: Reaction given Alcohol Q2: Consider the following reaction sequence Compound (y) develops characteristic colour with neutral FeCl 3 Solution. Identify the INCORRECT statement from the following for the above sequence. A: Compound y will dissolve in NaHCO 3 and evolve a gas. B: Compound x is more acidic than compound y. C: Both compounds x and y will dissolve in NaOH. D: Both compounds x and y will burn with sooty flame. Answer: B Explanation: Q3: From the following, how many compounds contain at least one secondary alcohol? Choose the correct answer from the options given below: A: Three B: Two C: Four D: Five Answer: A Explanation: II, IV & V are secondary alcohol. Q4: A hydroxy compound (X) with molar mass 122 g mol ?¹ is acetylated with acetic anhydride, using a large excess of the reagent ensuring complete acetylation of all hydroxyl groups. The product obtained has a molar mass of 290 g mol ?¹. The number of hydroxyl groups present in compound (X) is: A: 2 B: 4 C: 3 D: 5 Answer: B Explanation: No. of OH groups = 290-122/42 = 4 Q5: A mixed ether (P), when heated with excess of hot concentrated hydrogen iodide produces two different alkyl iodides which when treated with aq. NaOH give compounds (Q) and (R). Both (Q) and (R) give yellow precipitate with NaOI . Identify the mixed ether (P): A: B: C: D: Answer: B Page 5 JEE Main Previous Year Questions (2021-2026): Alcohols, Phenols and Ethers (January 2026) Q1: The reactions which produce alcohol as the product are : Choose the correct answer from the options given below : A: B, D and E Only B: A and D Only C: A, C and E Only D: C and D Only Answer: D Explanation: Reaction given Alcohol Q2: Consider the following reaction sequence Compound (y) develops characteristic colour with neutral FeCl 3 Solution. Identify the INCORRECT statement from the following for the above sequence. A: Compound y will dissolve in NaHCO 3 and evolve a gas. B: Compound x is more acidic than compound y. C: Both compounds x and y will dissolve in NaOH. D: Both compounds x and y will burn with sooty flame. Answer: B Explanation: Q3: From the following, how many compounds contain at least one secondary alcohol? Choose the correct answer from the options given below: A: Three B: Two C: Four D: Five Answer: A Explanation: II, IV & V are secondary alcohol. Q4: A hydroxy compound (X) with molar mass 122 g mol ?¹ is acetylated with acetic anhydride, using a large excess of the reagent ensuring complete acetylation of all hydroxyl groups. The product obtained has a molar mass of 290 g mol ?¹. The number of hydroxyl groups present in compound (X) is: A: 2 B: 4 C: 3 D: 5 Answer: B Explanation: No. of OH groups = 290-122/42 = 4 Q5: A mixed ether (P), when heated with excess of hot concentrated hydrogen iodide produces two different alkyl iodides which when treated with aq. NaOH give compounds (Q) and (R). Both (Q) and (R) give yellow precipitate with NaOI . Identify the mixed ether (P): A: B: C: D: Answer: B Explanation: Q6: 3, 3-Dimethyl-2-butanol cannot be prepared by: Choose the correct answer from the options given below: Choose the correct answer from the options given below: A: B and E Only B: B, C and E Only C: B and C Only D: B Only Answer: A Explanation:Read More
FAQs on Alcohols, Phenols and Ethers: JEE Main Previous Year Questions (2021-2026)
| 1. What are alcohols, phenols, and ethers? |  |
Alcohols, phenols, and ethers are organic compounds that contain the functional groups -OH, -OH, and -O-, respectively. Alcohols have a hydroxyl group (-OH) attached to a carbon atom, phenols have a hydroxyl group attached directly to an aromatic ring, and ethers have an oxygen atom bonded to two carbon atoms.
| 2. What are the physical properties of alcohols, phenols, and ethers? | |
The physical properties of alcohols, phenols, and ethers depend on their molecular structure and functional groups. Alcohols and phenols have higher boiling points compared to ethers due to the presence of hydrogen bonding. Alcohols and phenols are soluble in water due to the formation of hydrogen bonds with water molecules, while ethers have lower solubility in water. However, ethers have better volatility and are more flammable compared to alcohols and phenols.
| 3. How are alcohols, phenols, and ethers prepared? | |
Alcohols can be prepared by the hydration of alkenes, reduction of carbonyl compounds, or by the reaction of haloalkanes with nucleophiles such as hydroxide ions. Phenols can be prepared by the oxidation of aromatic compounds, hydrolysis of diazonium salts, or by the reaction of haloarenes with nucleophiles such as hydroxide ions. Ethers can be prepared by the dehydration of alcohols or by the Williamson ether synthesis.
| 4. What are some important reactions of alcohols, phenols, and ethers? | |
Alcohols can undergo oxidation reactions to form aldehydes, ketones, or carboxylic acids. They can also undergo dehydration to form alkenes or ethers. Phenols can undergo reactions such as electrophilic aromatic substitution, oxidation to form quinones or benzoquinones, and esterification reactions. Ethers are relatively unreactive, but they can undergo cleavage reactions in the presence of strong acids or under oxidative conditions.
| 5. What are some important uses of alcohols, phenols, and ethers? | |
Alcohols are widely used as solvents, disinfectants, and in the production of various chemicals such as ethanol for fuel. Phenols have antiseptic properties and are used in the production of plastics, dyes, and pharmaceuticals. Ethers are commonly used as solvents, particularly in organic synthesis reactions, and as fuel additives. Additionally, some ethers have anesthetic properties and are used in medical procedures.
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