PYQ Vault

Day 43: MHT-CET Chemistry

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

  1. Question 1

    Electrochemistry. Asked 5 times: May 2022 S1*, 3 May 2023 S2*, 14 May 2024 S1*, 19 Apr 2026 S2*, 14 May 2026 S1 (* = numbers or wording changed that year) See all 5 times it was asked

    22
    The molar conductivity of HCl, CH3COONa\mathrm{CH_3COONa} and NaCl are 426.16 S cm2/mol426.16\ \mathrm{S\,cm^2/mol}, 91.0 S cm2/mol91.0\ \mathrm{S\,cm^2/mol} and 126.4 S cm2/mol126.4\ \mathrm{S\,cm^2/mol}. What would be the Λ0\Lambda_0 for CH3COOH\mathrm{CH_3COOH}?

    Tap an option to check your answer.

  2. Question 2

    Solid State. Asked 5 times: 4 May 2023 S1*, 11 May 2023 S2*, 13 May 2024 S2*, 26 Apr 2025 S2, 12 May 2026 S2 (* = numbers or wording changed that year) See all 5 times it was asked

    20
    Sodium crystallizes in the bcc structure. If the edge length of a unit cell is 4.3×10−84.3 \times 10^{-8} cm, calculate the radius of an atom.

    Tap an option to check your answer.

  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked 5 times: 15 May 2023 S1, 19 Apr 2025 S1, 21 Apr 2025 S1, 13 Apr 2026 S1, 12 May 2026 S1 See all 5 times it was asked

    43
    Which of the following reagents forms semicarbazone when treated with ketones?

    Tap an option to check your answer.

  4. Question 4

    Solid State. Asked 5 times: 15 May 2023 S1*, 14 May 2024 S1*, 19 Apr 2025 S2*, 13 Apr 2026 S2*, 12 May 2026 S1 (* = numbers or wording changed that year) See all 5 times it was asked

    17
    A compound is formed by two elements A and B. The elements B forms cubic close packed structure and atoms of A occupy 1/31/3rd of tetrahedral voids. If the formula of the compound is AxByA_xB_y, then find the value of (x+y)(x + y).

    Tap an option to check your answer.

  5. Question 5

    Chemical Kinetics. Asked 5 times: May 2022 S1*, 12 May 2024 S1*, 11 Apr 2026 S2*, 13 Apr 2026 S2*, 20 Apr 2026 S1 (* = numbers or wording changed that year) See all 5 times it was asked

    30
    Calculate rate constant of a first order reaction having half life 11 minute 4040 second?

    Tap an option to check your answer.