PYQ Vault

Day 35: MH HSC Class 12 Chemistry

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

  1. Question 1

    Amines. This type asked 2 times: Mar 2023, Feb 2025. This one: Feb 2025

    Answer the following questions :
    Q.2.i
    Write the structural formula of N, N-dimethylethanamine.

  2. Question 2

    Amines. This type asked 2 times: Mar 2016, Feb 2025. This one: Feb 2025

    Q.22.b
    Write chemical equations involved in : (i) Carbylamine reaction for ethylamine. (ii) Hoffmann Bromamide degradation for acetamide.

  3. Question 3

    Chemical Thermodynamics. This type asked 2 times: Mar 2018, Feb 2025. This one: Feb 2025

    Q. 25
    ΔH\Delta H for formation of ethane gas is −84.4-84.4 kJ at 300 K. Calculate ΔU\Delta U for the reaction.

  4. Question 4

    Coordination Compounds. This type asked 2 times: Mar 2018, Feb 2025. This one: Feb 2025

    Answer the following questions :
    Q.2.vii
    Write the number of donor atoms present in EDTA, during formation of complex.

  5. Question 5

    Electrochemistry. This type asked 2 times: Feb 2024, Feb 2025. This one: Feb 2024

    Q. 30(ii)
    Write the net cell reaction during discharging of lead accumulator.