PYQ Vault

Day 44: MH HSC Class 12 Chemistry

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

  1. Question 1

    Elements of Groups 16, 17 and 18. Asked once: Feb 2024 (same type asked 4 times)

    Q.27
    Write two uses of neon.

  2. Question 2

    Halogen Derivatives. Asked once: Feb 2025 (same type asked 4 times)

    Q.31.a
    Write salient features of SN2S_N2 mechanism.

  3. Question 3

    Ionic Equilibria. Asked once: Feb 2025 (same type asked 4 times)

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.vii
    Which formula co-relates degree of dissociation and concentration of electrolyte?

    Tap an option to check your answer.

  4. Question 4

    Chemical Thermodynamics. Asked once: Feb 2025 (same type asked 4 times)

    Q. 8
    Calculate the work done in kJ in a reaction, if volume of the reactant decreases from 8 dm38\ \mathrm{dm^{3}} to 4 dm34\ \mathrm{dm^{3}} against 43 bar pressure. [1 dm3 bar=100 J][1\ \mathrm{dm^{3}\ bar} = 100\ \mathrm{J}]

  5. Question 5

    Elements of Groups 16, 17 and 18. Asked once: Feb 2024 (same type asked 4 times)

    Q.30
    Draw the structure of peroxymonosulphuric acid.