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Day 7: MHT-CET Chemistry

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

  1. Question 1

    Chemical Thermodynamics and Energetics. This type asked 13 times: 10 May 2023 S1, 11 May 2023 S2, 16 May 2023 S1, 20 Apr 2025 S2, 23 Apr 2025 S1, 26 Apr 2025 S2, 11 Apr 2026 S1, 18 Apr 2026 S2, 20 Apr 2026 S1, 13 May 2026 S1, 13 May 2026 S2, 15 May 2026 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 13 of this type

    6
    2 moles of an ideal gas expand isothermally and reversibly from 1010 L to 5050 L at 298298 K. Calculate the work done during this expansion. (R=8.314 JK−1 mol−1)(R = 8.314\ \mathrm{JK^{-1}\ mol^{-1}})

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  2. Question 2

    Solid State. This type asked 13 times: 4 May 2023 S1, 9 May 2023 S2, 11 May 2023 S2, 9 May 2024 S2, 10 May 2024 S1, 11 May 2024 S1, 11 May 2024 S2, 12 May 2024 S1, 20 Apr 2025 S1, 11 Apr 2026 S2, 15 Apr 2026 S1, 15 May 2026 S1, 15 May 2026 S2. This one: 15 May 2026 S2 See all 13 of this type

    18
    Calculate the molar mass of a metal having density 10 g cm−310\ \mathrm{g\ cm^{-3}} and fcc structure with edge length 400400 pm.

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  3. Question 3

    Chemical Thermodynamics and Energetics. This type asked 13 times: 3 May 2023 S1, 15 May 2023 S1, 16 May 2023 S1, 9 May 2024 S1, 14 May 2024 S2, 25 Apr 2025 S1, 25 Apr 2025 S2, 13 Apr 2026 S1, 15 Apr 2026 S2, 18 Apr 2026 S1, 12 May 2026 S1, 14 May 2026 S1, 15 May 2026 S1. This one: 15 May 2026 S1 See all 13 of this type

    5
    For the following reaction, C(s)+2H2(g)→CH4(g); ΔrH0=−75 kJ\mathrm{C}(s) + 2\mathrm{H_2}(g) \rightarrow \mathrm{CH_4}(g);\ \Delta_r H^0 = -75\ \mathrm{kJ}. Calculate ΔG0\Delta G^0 if ΔS0\Delta S^0 is 185 JK−1185\ \mathrm{JK^{-1}}.

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  4. Question 4

    Solid State. This type asked 13 times: 3 May 2023 S1, 9 May 2023 S1, 15 May 2023 S1, 15 May 2023 S2, 19 Apr 2025 S2, 20 Apr 2025 S2, 22 Apr 2025 S1, 22 Apr 2025 S2, 23 Apr 2025 S1, 25 Apr 2025 S2, 17 Apr 2026 S1, 20 Apr 2026 S2, 14 May 2026 S1. This one: 14 May 2026 S1 See all 13 of this type

    17
    Calculate the volume occupied by particles of a fcc unit cell if the radius of the atom present in it is 100100 pm.

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  5. Question 5

    Transition and Inner Transition Elements. This type asked 13 times: 9 May 2023 S2, 10 May 2023 S2, 16 May 2023 S2, 11 May 2024 S2, 19 Apr 2025 S1, 20 Apr 2025 S2, 25 Apr 2025 S2, 26 Apr 2025 S1, 11 Apr 2026 S1, 13 Apr 2026 S2, 17 Apr 2026 S2, 18 Apr 2026 S2, 14 May 2026 S1. This one: 14 May 2026 S1 See all 13 of this type

    32
    Which of the following cations has the maximum number of unpaired electrons?

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