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Alcohols, Phenols and Ethers

JEE Mains Chemistry. Try each one first, then open its answer.

Top 10 JEE Mains PYQs to practise first

The questions and kinds of question asked most often come first. Each one says how often and in which papers.

  1. Question 1

    This type asked 8 times: 25 Jul 2022, 29 Jan 2023, 30 Jan 2023, 6 Apr 2023, 10 Apr 2023, 13 Apr 2023, 27 Jan 2024, 9 Apr 2024. This one: 9 Apr 2024 See all 8 of this type

    40
    For the given compounds, the correct order of increasing pKapK_{a} value: (A) (B) (C) (D) (E)

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  2. Question 2

    This type asked 5 times: 2021 Paper 1, 2021 Paper 10, 28 Jul 2022, 23 Jan 2026 S2, 6 Apr 2026 S2. This one: 6 Apr 2026 S2 See all 5 of this type

    41
    Consider the following reaction. Statement I: In the above reaction, product formed will be a mixture of benzyl alcohol and iodobenzamide. Statement II : In the above reaction, the −O−CH2−- O - {CH}_{2} - bond is cleaved to give the product. In the light of the above statements, choose the correct answer from the options given below:

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  3. Question 3

    This type asked 4 times: 2021 Paper 25, 26 Jun 2022, 6 Apr 2024, 5 Apr 2026 S1. This one: 5 Apr 2026 S1 See all 4 of this type

    48
    One mole of phenol is treated with dilute HNO3{HNO}_{3} at 298 K to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound ( X ) is separated. The increase in percentage of oxygen in (X) with respect to phenol is ____\_\_\_\_ 10−1%10^{- 1}\% (Given molar mass in gmol−1H:1,C:12, N:14g{mol}^{- 1}H:1,C:12,\text{ }N:14, O:16)

  4. Question 4

    This type asked 4 times: 29 Jul 2022, 8 Apr 2024, 7 Apr 2025, 4 Apr 2026 S1. This one: 4 Apr 2026 S1 See all 4 of this type

    41
    Amongst the following, the total number of compounds soluble in aqueous NaOH at room temperature is: (I) (II) (III) (IV) (V) (VI) (VII) (VIII) (IX)

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  5. Question 5

    This type asked 4 times: 29 Jan 2024, 30 Jan 2024, 6 Apr 2024, 22 Jan 2026 S1. This one: 22 Jan 2026 S1 See all 4 of this type

    28
    Given below are two statements : Statement I: Phenol on treatment with CHCl3/{CHCl}_{3}/ aq. KOH under refluxing condition, followed by acidification produces pp-hydroxy benzladehyde as the major product and oo-hydroxybenzaldehyde as the minor product. Statement II : The mixture of pp-hydroxybenzaldehyde and oo-hydroxybenzaldehyde can be easily separated through steam distillation. In the light of the above statements, choose the correct answer from the options given below :

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  6. Question 6

    This type asked 4 times: 26 Jul 2022, 25 Jan 2023, 23 Jan 2025, 4 Apr 2025. This one: 4 Apr 2025 See all 4 of this type

    38
    Benzene is treated with oleum to produce compound (X) which when further heated with molten sodium hydroxide followed by acidification produces compound (Y). The compound Y is treated with zinc metal to produce compound (Z). Identify the structure of compound (Z) from the following option.

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  7. Question 7

    This type asked 4 times: 8 Apr 2023, 1 Feb 2024, 5 Apr 2024, 23 Jan 2025. This one: 23 Jan 2025 See all 4 of this type

    107
    Given below are two statements: Statement (I). The boiling points of alcohols and phenols increase with increase in the number of C -atoms. Statement (II): The boiling points of alcohols and phenols are higher in comparison to other class of compounds such as ethers, haloalkanes. In the light of the above statements, choose the correct answer from the options given below:

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  8. Question 8

    This type asked 4 times: 2021 Paper 14, 26 Jul 2022, 31 Jan 2023, 5 Apr 2024. This one: 5 Apr 2024 See all 4 of this type

    48
    Given below are two statements: Statement I: Bromination of phenol in solvent with low polarity such as CHCl3CHCl_{3} or CS2CS_{2} requires Lewis acid catalyst. Statement II: The Lewis acid catalyst polarises the bromine to generate Br+Br^{+}. In the light of the above statements, choose the correct answer from the options given below:

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  9. Question 9

    This type asked 4 times: 2021 Paper 1, 2021 Paper 19, 8 Apr 2023, 27 Jan 2024. This one: 27 Jan 2024 See all 4 of this type

    126
    Phenolic group can be identified by a positive:

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  10. Question 10

    This type asked 3 times: 10 Apr 2023, 22 Jan 2026 S2, 28 Jan 2026 S2. This one: 28 Jan 2026 S2 See all 3 of this type

    31
    The reactions which produce alcohol as the product are: (A) CH4+O2→Mo2O3 Δ{CH}_{4} + O_{2}\underset{\mathrm{\Delta}}{\overset{{Mo}_{2}O_{3}\ }{\rightarrow}} (B) 2CH3CH3+3O2→Δ(CH3COO)2Mn2CH_{3}CH_{3} + 3O_{2}\xrightarrow[\Delta]{(CH_{3}COO)_{2}Mn} (C) (CH3)3CH→KMnO4(CH_{3})_{3}CH\xrightarrow{KMnO_{4}} (D) 2CH4+O2→Cu/523 K/100 atm2CH_{4} + O_{2}\xrightarrow{Cu/523\ K/100\ atm} (E) CH3−CH=CH−CH3→KMnO4/H+ {CH}_{3} - CH = CH - {CH}_{3}\overset{{KMnO}_{4}/H^{+}\ }{\rightarrow} Choose the correct answer from the options given below:

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