PYQ Vault

Classify alcohols and phenols as monohydric, dihydric or trihydric

This type of question, asked 8 times: 2 May 2023 S2, 10 May 2023 S1, 14 May 2024 S1, 19 Apr 2025 S2, 15 Apr 2026 S1, 17 Apr 2026 S1, 19 Apr 2026 S1, 13 May 2026 S1. All 10 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2 May 2023 S2

    68
    Which of the following is a pair of dihydric phenols?

    Tap an option to check your answer.

  2. Question 2

    10 May 2023 S1

    63
    Which from following compounds is a trihydric alcohol?

    Tap an option to check your answer.

  3. Question 3

    10 May 2023 S1

    51
    Which from following is NOT a dihydric compound?

    Tap an option to check your answer.

  4. Question 4

    14 May 2024 S1

    90
    Which of the following is a pair of dihydric phenols?

    Tap an option to check your answer.

  5. Question 5

    19 Apr 2025 S2

    83
    Which of the following is NOT dihydric phenol?

    Tap an option to check your answer.

  6. Question 6

    15 Apr 2026 S1

    40
    Which of the following is a dihydric alcohol?

    Tap an option to check your answer.

  7. Question 7

    17 Apr 2026 S1

    40
    Identify trihydric phenol from following.

    Tap an option to check your answer.

  8. Question 8

    19 Apr 2026 S1

    41
    Which from the following hydroxy compounds contain only one −OH\mathrm{-OH} group in a molecule?

    Tap an option to check your answer.

  9. Question 9

    13 May 2026 S1

    39
    Which of the following is trihydric phenol?

    Tap an option to check your answer.

  10. Question 10

    13 May 2026 S1

    38
    Which of the following compounds is NOT a dihydric phenol?

    Tap an option to check your answer.