PYQ Vault

Day 90: MHT-CET Chemistry

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

  1. Question 1

    Ionic Equilibria. Asked 3 times: 11 May 2023 S2, 16 May 2023 S1, 14 May 2024 S1 See all 3 times it was asked

    87
    Calculate the pH of 0.01 M strong dibasic acid.

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  2. Question 2

    Chemical Kinetics. Asked 3 times: 10 May 2023 S2*, 9 May 2024 S1*, 13 May 2024 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    95
    For the reaction 2A+2B→2C+D2\text{A}+2\text{B}\to2\text{C}+\text{D}, the rate law is expressed as rate =k[A]2[B]=k[\text{A}]^2[\text{B}]. Calculate the rate constant if rate of reaction 0.24 mol dm−3 s−10.24\ \text{mol dm}^{-3}\ \text{s}^{-1} [A]=0.5 M[\text{A}]=0.5\ \text{M} and [B]=0.2 M][\text{B}]=0.2\ \text{M}]

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  3. Question 3

    Ionic Equilibria. Asked 3 times: 2 May 2023 S2*, 9 May 2024 S2*, 12 May 2024 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    51
    Find [OH−][\text{OH}^{-}] if a monoacidic base is 3% ionised in its 0.04 M solution.

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  4. Question 4

    Ionic Equilibria. Asked 3 times: 3 May 2023 S2*, 15 May 2023 S2*, 11 May 2024 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    53
    What is the pH of 0.005 M NaOH solution?

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  5. Question 5

    Halogen Derivatives of Alkanes. Asked 3 times: 3 May 2023 S2, 9 May 2024 S2, 11 May 2024 S1 See all 3 times it was asked

    87
    Which of the following compounds has highest boiling point?

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