For a reaction between A and B, the initial rate of reaction is measured for various initial concentrations A and B. the data provided are $\begin{array}{l} \,\,\,\,\,\,\,\,\,\,\,\,\left[ A \right]\,\,\,\,\,\,\,\,\,\,\,\left[ B \right]\;\;\;\;\;\;\;Initial{\rm{ }}reaction{\rm{ }}rate\\ 1\,\,\,\,\,\,\,0.20M\,\,\,\,\,0.30M\,\,\,\,\,\,5 \times {10^{ - 5}}\\ 2\,\,\,\,\,0.20{\rm{ }}M\,\,\,\,0.10{\rm{ }}M\,\,\,\,\,\,5 \times {10^{ - 5}}\\ 3\,\,\,\,\,0.40{\rm{ }}M\,\,\,\,0.05{\rm{ }}M\,\,\,\,\,\,1 \times {10^{ - 5}} \end{array}$ The overall order of the reaction is

NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

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For a reaction between A and B, the initial rate of reaction is measured for various initial concentrations A and B. the data provided are

\begin{array}{l} \,\,\,\,\,\,\,\,\,\,\,\,\left[ A \right]\,\,\,\,\,\,\,\,\,\,\,\left[ B \right]\;\;\;\;\;\;\;Initial\mathrm{ }reaction\mathrm{ }rate\\ 1\,\,\,\,\,\,\,0.20M\,\,\,\,\,0.30M\,\,\,\,\,\,5 \times {10^{ - 5}}\\ 2\,\,\,\,\,0.20\mathrm{ }M\,\,\,\,0.10\mathrm{ }M\,\,\,\,\,\,5 \times {10^{ - 5}}\\ 3\,\,\,\,\,0.40\mathrm{ }M\,\,\,\,0.05\mathrm{ }M\,\,\,\,\,\,1 \times {10^{ - 5}} \end{array}

The overall order of the reaction is

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Correct option: A

One

Option A (One) is correct because the rate is independent of [B] and proportional to [A], making the overall order 1.