PYQ Vault

Day 14: 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 2 times: Mar 2014*, Jul 2025 (* = numbers or wording changed that year)

    Q. 9
    Explain anomalous behaviour of Fluorine with respect to (i) Oxyacid (ii) Nature of hydrides (iii) Electronegativity (iv) Electron gain enthalpy

  2. Question 2

    Solid State. Asked 2 times: Jul 2024*, Jul 2025 (* = numbers or wording changed that year)

    Q. 3
    When gold crystallizes, it forms face-centered cubic cells. The unit cell edge length is 4×10−84 \times 10^{-8} cm. Calculate the density of gold. Molar mass of gold is 197 g mol−1197\ \mathrm{g\ mol^{-1}}.

  3. Question 3

    Solid State. Asked 2 times: Mar 2022, Jul 2025

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.i
    Coordination number of atoms in bcc crystal lattice is _____.

    Tap an option to check your answer.

  4. Question 4

    Solutions. Asked 2 times: Jul 2024, Feb 2025

    Q.4.a
    State Henry's law.

  5. Question 5

    Solutions. Asked 2 times: Feb 2020, Feb 2025

    Q.4.b
    Define : Osmotic pressure