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Day 83: MHT-CET Chemistry

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

  1. Question 1

    Transition and Inner Transition Elements. Asked 3 times: 12 May 2024 S1, 26 Apr 2025 S2, 15 Apr 2026 S1 See all 3 times it was asked

    34
    What is the value of spin only magnetic moment for Cu2+\mathrm{Cu^{2+}} in BM?

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  2. Question 2

    Chemical Kinetics. Asked 3 times: 11 May 2024 S2*, 14 May 2024 S2*, 13 Apr 2026 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    27
    In first order reaction, 20 % concentration remains after 10 min. What would be the rate constant of reaction if log⁡10(5)=0.6989\log_{10}(5) = 0.6989?

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  3. Question 3

    Solid State. Asked 3 times: 10 May 2023 S1*, 10 May 2024 S2*, 13 Apr 2026 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    17
    An element with a molar mass 27g mol−1\mathrm{mol^{-1}} forms a cubic unit cell. Calculate the number of atoms present in a unit cell if the density of metal is 2.7g cm−3\mathrm{cm^{-3}}. [a3×NA=40 cm3 mol−1][a^3 \times N_A = 40\ \mathrm{cm^3\,mol^{-1}}]

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  4. Question 4

    Basic Principles of Organic Chemistry. Asked 3 times: 15 May 2023 S1*, 26 Apr 2025 S1*, 11 Apr 2026 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    13
    What is the difference in terms of molar masses of second and fourth members of homologous series?

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  5. Question 5

    Chemical Kinetics. Asked 3 times: 4 May 2023 S2, 9 May 2023 S2, 11 Apr 2026 S2 See all 3 times it was asked

    29
    What is the order of the following reaction ? 2H2O2(l)→2H2O(l)+O2(g)\mathrm{2H_2O_2}(l) \rightarrow \mathrm{2H_2O}(l) + \mathrm{O_2}(g), if rate = k[H2O2]k[\mathrm{H_2O_2}]

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