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Day 52: MHT-CET Chemistry

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

  1. Question 1

    Chemical Thermodynamics and Energetics. This type asked 5 times: 10 May 2023 S2, 11 Apr 2026 S2, 19 Apr 2026 S1, 19 Apr 2026 S2, 20 Apr 2026 S1. This one: 20 Apr 2026 S1 See all 5 of this type

    8
    Calculate ΔG∘\Delta G^\circ for reaction, CH4(g)+H2(g)→C2H6(g)\mathrm{CH_{4(g)} + H_{2(g)} \rightarrow C_2H_{6(g)}} (Kp=2×1017,R=8.314 JK−1mol−1)(K_p = 2 \times 10^{17}, R = 8.314\ \mathrm{JK^{-1}mol^{-1}})

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  2. Question 2

    Coordination Compounds. This type asked 5 times: 3 May 2023 S1, 14 May 2024 S1, 21 Apr 2025 S1, 15 Apr 2026 S1, 20 Apr 2026 S1. This one: 20 Apr 2026 S1 See all 5 of this type

    36
    What is the coordination number of central metal ion in [Co(en)3]3+[\mathrm{Co(en)_3}]^{3+} complex ?

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  3. Question 3

    States of Matter. This type asked 5 times: 3 May 2023 S1, 15 May 2023 S2, 14 May 2024 S1, 13 Apr 2026 S1, 20 Apr 2026 S1. This one: 20 Apr 2026 S1 See all 5 of this type

    5
    Find the number of moles of CO2\mathrm{CO_2} present in a sample occuping 4×10−3 m34 \times 10^{-3}\ \mathrm{m^3} at 1.104×105 Nm−21.104 \times 10^5\ \mathrm{Nm^{-2}} pressure (R×T=2208 J mol−1)(R \times T = 2208\ \mathrm{J\,mol^{-1}})

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  4. Question 4

    Surface Chemistry. This type asked 5 times: 21 Apr 2025 S1, 15 Apr 2026 S1, 16 Apr 2026 S1, 19 Apr 2026 S1, 20 Apr 2026 S1. This one: 20 Apr 2026 S1 See all 5 of this type

    32
    Identify the term used to describe movement of colloidal particles under applied electric potential without using semipermeable membrane.

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  5. Question 5

    Alkanes. This type asked 5 times: 2 May 2023 S1, 10 May 2024 S2, 12 May 2024 S2, 13 May 2024 S2, 19 Apr 2026 S2. This one: 19 Apr 2026 S2 See all 5 of this type

    21
    Find the number of structural isomers possible for hexane ?

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