PYQ Vault

Day 33: MH HSC Class 12 Chemistry

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

  1. Question 1

    Biomolecules. This type asked 2 times: Feb 2020, Jul 2025. This one: Jul 2025

    Answer the following questions :
    Q.2.iii
    Write the total number of chiral carbon atoms present in glucose.

  2. Question 2

    Coordination Compounds. This type asked 2 times: Feb 2024, Jul 2025. This one: Jul 2025

    Q. 21
    (a) Write the representation of sodium hexacyanoferrate (III) (b) Write type of hybridization and magnetic behaviour of the following −- (i) [Co(NH3)6]3+\mathrm{[Co(NH_3)_6]^{3+}} (ii) [NiCl4]2−\mathrm{[NiCl_4]^{2-}}

  3. Question 3

    Green Chemistry and Nanochemistry. This type asked 2 times: Feb 2024, Jul 2025. This one: Jul 2025

    Q. 26(i)
    Explain the following terms : (a) Sustainable development (b) Nanomaterial

  4. Question 4

    Halogen Derivatives. This type asked 2 times: Feb 2025, Jul 2025. This one: Jul 2025

    Q. 12
    Complete the following reactions −- (i) CH3−CH=CH2+HBr⟶ ?\mathrm{CH_3{-}CH{=}CH_2 + HBr \longrightarrow\ ?} (ii) C2H5OH+SOCl2→Δ ?\mathrm{C_2H_5OH + SOCl_2 \xrightarrow{\Delta}\ ?}

  5. Question 5

    Halogen Derivatives. This type asked 2 times: Jul 2024, Jul 2025. This one: Jul 2025

    Q. 26(ii)
    Name the gamma isomer of BHC.