Chemistry · 2020
JEE Main · 2 September 2020, Shift 2 · Q26
The results given in the below table were obtained during kinetic studies of the following reaction: 2 A + B → C + D X and Y in the given table are…
The results given in the below table were obtained during kinetic studies of the following reaction :
$$2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{C}+\mathrm{D}
$$
X and Y in the given table are respectively :
| Experiment | [A]/ $\displaystyle \mathrm{molL}^{-1}$ | [B]/ $\displaystyle \mathrm{molL}^{-1}$ | Initial rate/ $\displaystyle \mathrm{molL}^{-1} \mathrm{~min}^{-1}$ |
| I | $\displaystyle 0.1$ | $\displaystyle 0.1$ | $\displaystyle 6.00 \times 10^{-3}$ |
| II | $\displaystyle 0.1$ | $\displaystyle 0.2$ | $\displaystyle 2.40 \times 10^{-2}$ |
| III | $\displaystyle 0.2$ | $\displaystyle 0.1$ | $\displaystyle 1.20 \times 10^{-2}$ |
| IV | X | $\displaystyle 0.2$ | $\displaystyle 7.20 \times 10^{-2}$ |
| V | $\displaystyle 0.3$ | Y | $\displaystyle 2.88 \times 10^{-1}$ |
Official answer
(4)
$\displaystyle 0.3, 0.4$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.