PYQ Vault

Day 65: MH HSC Class 12 Chemistry

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

  1. Question 1

    Alcohols, Phenols and Ethers. Asked once: Mar 2022 (same type asked 3 times)

    Q.19
    Write chemical reactions for the following reagents on methoxyethane: (i)\text{(i)} hot HI hot\ \text{HI } (ii)\text{(ii)} PCl5\text{PCl}_{5} (iii) dilute H2SO4\text{H}_{2}\text{SO}_{4}.

  2. Question 2

    Aldehydes, Ketones and Carboxylic Acids. Asked once: Feb 2024 (same type asked 3 times)

    Q. 31(ii)
    Convert the following : (a) Ethanenitrile into ethanal. (b) Cyclohexane into adipic acid.

  3. Question 3

    Amines. Asked once: Mar 2014 (same type asked 3 times)

    Q.8.iv
    Identify the weakest base amongst the following.

    Tap an option to check your answer.

  4. Question 4

    Biomolecules. Asked once: Mar 2014 (same type asked 3 times)

    Q.5.i
    What happens when glucose is treated with: a\text{a}. Bromine water b\text{b}. Dilute nitric acid c\text{c}. Hydrogen cyanide (HCN\text{HCN}).

  5. Question 5

    Chemical Kinetics. Asked once: Mar 2017 (same type asked 3 times)

    Q.2.iii
    Explain elementary and complex reactions for a first order reaction.