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Solve the following.
Consider the data given below for the reaction A + B Product S.No. conc. of [A] mol conc. of [B]…
Consider the data given below for the reaction A + B $\rightarrow$ Product
Calculate the rate constant.
| S.No. | conc. of [A] mol $\text{L}^{-1}$ | conc. of [B] mol $\text{L}^{-1}$ | Rate; mol $\text{L}^{-1}\text{sec}^{-1}$ |
|---|---|---|---|
| 1. | 0.1 | 0.1 | $4.0 \times 10^{-4}$ |
| 2. | 0.2 | 0.2 | $1.6 \times 10^{-3}$ |
| 3. | 0.5 | 0.1 | $1.0 \times 10^{-2}$ |
| 4. | 0.5 | 0.5 | $1.0 \times 10^{-2}$ |
Answer
Answer
Official answer keyRate constant ($k$) = $4 \times 10^{-2}\ \mathrm{mol^{-1}\ L\ sec^{-1}}$
Final answer: $4\times10^{-2}$ mol^-1 L s^-1
From ISC 2025 Specimen Chemistry Paper 1, question 18(ii).
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