PYQ Vault

Day 86: 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 2025

    Q.7.ii
    What is the action of soda-lime on sodium acetate?

  2. Question 2

    Amines. Asked once: Feb 2020

    Q.1.vi
    The number of moles of methyl iodide required to prepare tetramethyl ammonium iodide from 1 mole1\text{ mole} of methyl amine is/are _____.

    Tap an option to check your answer.

  3. Question 3

    Biomolecules. Asked once: Feb 2024

    Q. 28(ii)
    What are enzymes?

  4. Question 4

    Chemical Thermodynamics. Asked once: Mar 2022

    Q.19.iii
    Define the term: The enthalpy change for the chemical reaction H2O(l)→H2O(g)\text{H}_{2}\text{O}(l) \rightarrow \text{H}_{2}\text{O}(g) is called enthalpy of ______.

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  5. Question 5

    Coordination Compounds. Asked once: Mar 2023

    Q. 30(i)
    Define: Distereoisomers. Give cis and trans isomers of [Co(NH3)4Cl2]+\mathrm{[Co(NH_3)_4Cl_2]^{+}}.