PYQ Vault

Day 25: MH HSC Class 12 Chemistry

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

  1. Question 1

    Biomolecules. This type asked 3 times: Mar 2016, Jul 2025, Jun 2026. This one: Jun 2026

    Q. 17(ii)
    Define - Nucleotides.

  2. Question 2

    Chemical Kinetics. This type asked 3 times: Mar 2017, Mar 2019, Jun 2026. This one: Jun 2026

    Q. 24
    What is the energy of activation of a reaction whose rate constant doubles when the temperature changes from 303 K to 313 K?

  3. Question 3

    Electrochemistry. This type asked 3 times: Feb 2024, Feb 2026, Jun 2026. This one: Jun 2026

    Answer the following questions :
    Q.2.i
    Write the relation between conductivity and molar conductivity.

  4. Question 4

    Electrochemistry. This type asked 3 times: Mar 2015, Mar 2023, Jun 2026. This one: Jun 2026

    Q. 12(i)
    Write the relation between standard cell potential and equilibrium constant.

  5. Question 5

    Elements of Groups 16, 17 and 18. This type asked 3 times: Mar 2016, Jul 2025, Jun 2026. This one: Jun 2026

    Select and write the correct answers for the following multiple choice type of questions :
    Q.1.iv
    The shape of bromine penta-fluoride is _____.

    Tap an option to check your answer.