PYQ Vault
EbooksTutor

Rate constant of a zero order reaction from the fall in concentration over a time

The same question, asked 2 times: 3 May 2023 S2*, 10 May 2023 S1. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    3 May 2023 S2

    54
    For a zero-order reaction A→A\rightarrow product. Conc. of A decreases from 0.8 mol dm−30.8\text{ mol dm}^{-3} to 0.2 mol dm−30.2\text{ mol dm}^{-3} in 6 minute. What is rate constant of the reaction?

    Tap an option to check your answer.

  2. Question 2

    10 May 2023 S1

    55
    For a zero-order reaction, A⟶\text{A}\longrightarrow product, concentration of A decreases from 1.2 mol dm−31.2\,\text{mol dm}^{-3} to 0.4 mol dm−30.4\,\text{mol dm}^{-3} in 240 second. What is rate constant of the reaction?

    Tap an option to check your answer.