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Day 14: MHT-CET Chemistry

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

  1. Question 1

    Coordination Compounds. This type asked 10 times: 3 May 2023 S2, 20 Apr 2025 S2, 23 Apr 2025 S1, 25 Apr 2025 S2, 26 Apr 2025 S1, 26 Apr 2025 S2, 15 Apr 2026 S2, 17 Apr 2026 S2, 18 Apr 2026 S1, 18 Apr 2026 S2. This one: 18 Apr 2026 S2 See all 10 of this type

    36
    Which of the following is a correct increasing order of ligand field strength ?

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  2. Question 2

    Electrochemistry. Asked 9 times: 21 Apr 2025 S1*, 21 Apr 2025 S2*, 22 Apr 2025 S1*, 22 Apr 2025 S2*, 25 Apr 2025 S1*, 26 Apr 2025 S1*, 11 Apr 2026 S2*, 20 Apr 2026 S2*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 9 times it was asked

    28
    Calculate the electrode potential of Mg2+/Mg\mathrm{Mg^{2+}/Mg} electrode having 0.010.01 M concentration of Mg2+\mathrm{Mg^{2+}} (E∘Mg2+/Mg=−2.36(E^\circ\mathrm{Mg^{2+}/Mg} = -2.36 V).

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  3. Question 3

    Solutions and Colligative Properties. Asked 9 times: 2 May 2023 S2*, 10 May 2023 S1*, 11 May 2023 S1*, 16 May 2023 S1*, 12 May 2024 S2*, 13 May 2024 S2*, 23 Apr 2025 S1*, 17 Apr 2026 S1*, 13 May 2026 S1 (* = numbers or wording changed that year) See all 9 times it was asked

    21
    A 0.10.1 molal aqueous solution of K3[Fe(CN)6]\mathrm{K_3[Fe(CN)_6]} freezes at −0.85 ∘-0.85\ ^\circC. If KfK_f for water is 1.86 K kg mol−11.86\ \mathrm{K\,kg\,mol^{-1}}, what is the van't Hoff factor for this solution?

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  4. Question 4

    Chemical Thermodynamics and Energetics. Asked 9 times: 2 May 2023 S2*, 10 May 2023 S2*, 11 May 2023 S1*, 10 May 2024 S2*, 12 May 2024 S2*, 13 May 2024 S2*, 13 Apr 2026 S2*, 19 Apr 2026 S1*, 20 Apr 2026 S2 (* = numbers or wording changed that year) See all 9 times it was asked

    6
    Calculate the change in internal energy if an ideal gas expands from 0.5 dm30.5\ \mathrm{dm^3} to 3.5 dm33.5\ \mathrm{dm^3} at constant pressure 2 bar by absorbing 1800 J heat energy.

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  5. Question 5

    Ionic Equilibria. Asked 9 times: 3 May 2023 S1*, 4 May 2023 S1*, 9 May 2023 S2*, 9 May 2024 S1*, 10 May 2024 S2*, 12 May 2024 S1*, 12 May 2024 S2*, 19 Apr 2025 S2*, 20 Apr 2025 S1 (* = numbers or wording changed that year) See all 9 times it was asked

    81
    What is the pH of buffer solution formed by mixing 0.01 M acetic acid and 0.05 M sodium acetate? (pKa=4.7447)\left( pK_{a}= 4.7447 \right)

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