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Day 58: MHT-CET Chemistry

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

  1. Question 1

    Elements of Group 1 and 2. Asked 4 times: May 2022 S1, 3 May 2023 S2, 9 May 2023 S2, 14 May 2026 S1 See all 4 times it was asked

    13
    Which of the following elements does not form its hydroxide and Dihydrogen with water?

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  2. Question 2

    Chemical Thermodynamics and Energetics. Asked 4 times: 19 Apr 2025 S2*, 20 Apr 2025 S1*, 22 Apr 2025 S1*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 4 times it was asked

    6
    What is the enthalpy of vaporization of methanol, if 17.6417.64 kJ heat is required for vaporization of 1616 g of it?

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  3. Question 3

    Solutions and Colligative Properties. Asked 4 times: May 2021 S1*, 19 Apr 2025 S1*, 17 Apr 2026 S2*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 4 times it was asked

    25
    The relative lowering of vapor pressure obtained by dissolving 7272 g of solute in 10001000 g of water is 7.2×10−37.2 \times 10^{-3}. Determine the molar mass of the solute

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  4. Question 4

    Electrochemistry. Asked 4 times: 16 May 2023 S1*, 15 Apr 2026 S2*, 17 Apr 2026 S1*, 13 May 2026 S1 (* = numbers or wording changed that year) See all 4 times it was asked

    24
    The standard EMF of the cell, Ni | Ni2+\mathrm{Ni^{2+}} || Cu2+\mathrm{Cu^{2+}} | Cu is 0.590.59 Volt. The standard reduction potential of a copper electrode is 0.340.34 volt. What is the standard electrode potential of nickel electrode ?

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  5. Question 5

    Amines. Asked 4 times: 3 May 2023 S2, 11 May 2024 S1, 15 Apr 2026 S1, 20 Apr 2026 S2 See all 4 times it was asked

    45
    Identify the reagent used to distinguish primary and secondary amines by Hinsberg test.

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