PYQ Vault

Day 55: MH HSC Class 12 Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. Asked once: Feb 2024 (same type asked 2 times)

    Q. 21
    Explain Wolf-Kishner reduction reaction. Write preparation of propanone by using ethanoyl chloride and dimethyl cadmium.

  2. Question 2

    Amines. Asked once: Feb 2025 (same type asked 2 times)

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.x
    Which of the following is a secondary amine?

    Tap an option to check your answer.

  3. Question 3

    Amines. Asked once: Mar 2016 (same type asked 2 times)

    Q.8.iv
    Which of the following amines yield foul smelling product with haloform and alcoholic KOH\text{KOH}?

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  4. Question 4

    Chemical Thermodynamics. Asked once: Mar 2018 (same type asked 2 times)

    Q.3.iv
    Calculate the change in internal energy of the formation of one mole of ammonia, if the enthalpy change at constant pressure is −32.0 kJ mol−1- 32.0\text{ kJ mol}^{- 1}. (Given: R=8.314 J K−1 mol−1\text{R} = 8.314\text{ J K}^{- 1}\text{ mol}^{- 1})

  5. Question 5

    Coordination Compounds. Asked once: Mar 2018 (same type asked 2 times)

    Q.5.iii
    The ligand diethylenetriamine is _____.

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