PYQ Vault

Acidity (pKa) order of given phenols and alcohols

This type of question, 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. All 8 questions below, oldest first.

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  1. Question 1

    25 Jul 2022

    135
    Arrange the following in decreasing acidic strength

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  2. Question 2

    29 Jan 2023

    36
    The increasing order of pKapK_{a} for the following phenols is (A) 2,4-Dinitrophenol (B) 4-Nitrophenol (C) 2,4,5-Trimethylphenol (D) Phenol (E) 3-Chlorophenol Choose the correct answer from the option given below:

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  3. Question 3

    30 Jan 2023

    122
    The correct order of pKapK_{a} values for the following compounds is: (A) (B) (C) (D)

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  4. Question 4

    6 Apr 2023

    126
    The strongest acid from the following is

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  5. Question 5

    10 Apr 2023

    134
    The correct order for acidity of the following hydroxyl compound is: Choose the correct answer from the options given below:

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  6. Question 6

    13 Apr 2023

    136
    Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Order of acidic nature of the following compounds is A>B>CA > B > C. Reason RR : Fluoro is a stronger electron withdrawing group than Chloro group. In the light of the above statements, choose the correct answer from the options given below:

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  7. Question 7

    27 Jan 2024

    42
    The ascending order of acidity of −OH- OH group in the following compounds is: (a) Bu−OHBu - OH (b) (c) (d) (e) Choose the correct answer from the options given below:

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  8. Question 8

    9 Apr 2024

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

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