PYQ Vault

Day 23: MHT-CET Chemistry

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

  1. Question 1

    Structure of Atom. Asked 7 times: 4 May 2023 S2*, 10 May 2023 S1*, 15 May 2023 S1*, 15 May 2023 S2*, 10 May 2024 S2*, 12 May 2024 S2*, 14 May 2024 S1 (* = numbers or wording changed that year) See all 7 times it was asked

    93
    Calculate radius of third orbit of He+\text{He}^+.

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  2. Question 2

    Alkanes. This type asked 7 times: 10 May 2023 S1, 10 May 2024 S2, 14 May 2024 S2, 17 Apr 2026 S2, 18 Apr 2026 S1, 18 Apr 2026 S2, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    38
    What is the product of following reaction? 2CH3I+2Na→P\mathrm{2CH_3I + 2Na} \to P

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  3. Question 3

    Biomolecules. This type asked 7 times: May 2021 S1, 11 May 2024 S1, 11 May 2024 S2, 20 Apr 2025 S1, 11 Apr 2026 S1, 15 Apr 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    47
    Which from following reactions confirms presence of one carbonyl group in glucose?

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  4. Question 4

    Chemical Thermodynamics and Energetics. This type asked 7 times: 11 May 2024 S2, 14 May 2024 S1, 19 Apr 2025 S1, 19 Apr 2025 S2, 26 Apr 2025 S1, 16 Apr 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    6
    Calulate ΔS(total)\Delta S_{(total)} for following reaction. CH3OH(l)+3/2 O2(g)→CO2(g)+2H2O(l)\mathrm{CH_3OH_{(l)} + 3/2\,O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}, ΔH=−726 kJ mol−1\Delta H = -726\ \mathrm{kJ\ mol^{-1}}, ΔS(system)=42 JK−1\Delta S_{(system)} = 42\ \mathrm{JK^{-1}} (both at 298298 K)

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  5. Question 5

    Coordination Compounds. This type asked 7 times: 10 May 2023 S1, 19 Apr 2025 S2, 16 Apr 2026 S2, 12 May 2026 S1, 15 May 2026 S2, 19 May 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    36
    Which of the following coordination compounds exhibits linkage isomerism?

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