PYQ Vault

Day 29: MH HSC Class 12 Chemistry

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

  1. Question 1

    Chemical Thermodynamics. This type asked 3 times: Mar 2022, Mar 2023, Jul 2025. This one: Jul 2025

    Q. 17
    Calculate maximum work done when 32 g of oxygen expanded isothermally and reversibly from pressure 2 bar to 1 bar at 298 K.

  2. Question 2

    Chemical Kinetics. This type asked 3 times: Mar 2017, Feb 2024, Feb 2025. This one: Feb 2025

    Answer the following questions :
    Q.2.iv
    The rate law equation for A→Product\mathrm{A \rightarrow Product}, is rate =k[A]x= k[A]^{x}. What is the effect of increase in concentration of 'A' on rate of reaction, if x<0x < 0?

  3. Question 3

    Transition and Inner Transition Elements. This type asked 3 times: Mar 2023, Jul 2024, Feb 2025. This one: Feb 2025

    Answer the following questions :
    Q.2.viii
    Write the names of the metal elements in brass alloy.

  4. Question 4

    Amines. This type asked 3 times: Mar 2017, Mar 2018, Jul 2024. This one: Jul 2024

    Answer the following questions :
    Q.2.vi
    Write the IUPAC name of amine formed when acetamide undergoes Hofmann bromamide degradation.

  5. Question 5

    Halogen Derivatives. This type asked 3 times: Mar 2023, Feb 2024, Jul 2024. This one: Jul 2024

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.vii
    Among the following benzylic halide is ____. (The four options are drawn structures — see the figure.)

    Tap an option to check your answer.