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Day 73: MHT-CET Chemistry

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

  1. Question 1

    Chemical Thermodynamics and Energetics. This type asked 4 times: 21 Apr 2025 S1, 26 Apr 2025 S1, 26 Apr 2025 S2, 15 Apr 2026 S2. This one: 15 Apr 2026 S2 See all 4 of this type

    8
    For a reaction to be spontaneous at all temperatures, the values of enthalpy change and entropy change should be

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  2. Question 2

    Structure of Atom. This type asked 4 times: 2 May 2023 S2, 16 May 2023 S2, 15 Apr 2026 S1, 15 Apr 2026 S2. This one: 15 Apr 2026 S2 See all 4 of this type

    3
    If the velocity of the electron in Bohr's first orbit is 2.19×106 Ms−12.19 \times 10^6\ \mathrm{Ms^{-1}}, Calculate the de Broglie wavelength associated with it. [h=6.626×10−34[h = 6.626 \times 10^{-34} J s & Mass of electrons =9.10938×10−31= 9.10938 \times 10^{-31} kg ]]

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  3. Question 3

    Alcohols, Phenols and Ethers. This type asked 4 times: 10 May 2024 S2, 19 Apr 2025 S2, 22 Apr 2025 S1, 15 Apr 2026 S1. This one: 15 Apr 2026 S1 See all 4 of this type

    41
    What happens when phenol reacts with bromine water?

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  4. Question 4

    Chemical Thermodynamics and Energetics. This type asked 4 times: 10 May 2023 S1, 19 Apr 2025 S2, 20 Apr 2025 S2, 15 Apr 2026 S1. This one: 15 Apr 2026 S1 See all 4 of this type

    8
    Which of the following processes has ΔS\Delta S negative?

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  5. Question 5

    Modern Periodic Table. This type asked 4 times: 10 May 2023 S2, 11 May 2023 S2, 22 Apr 2025 S2, 15 Apr 2026 S1. This one: 15 Apr 2026 S1 See all 4 of this type

    4
    What happens to the size of atoms in p-block elements when we move from left to right in the same period?

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