Medium
Assertion : In rate law,unlike in the expression for equilibrium constants,the exponents for concentrations do not necessarily match the stoichiometric coefficients.
Reason : It is the mechanism and not the balanced chemical equation for the overall change that governs the reaction rate.
Reason : It is the mechanism and not the balanced chemical equation for the overall change that governs the reaction rate.
- A$A$. If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B$B$. If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C$C$. If the Assertion is correct but Reason is incorrect.
- D$D$. If both the Assertion and Reason are incorrect.
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Similar Questions
What is the unit of the rate constant for a $4^{th}$ order reaction?
Easy
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View SolutionThe rate for the reaction $A + B \rightarrow \text{product}$ is $1.8 \times 10^{-2} \ mol \ dm^{-3} \ s^{-1}$. Calculate the rate constant if the reaction is second order in $A$ and first order in $B$,given $[A] = 0.2 \ M$ and $[B] = 0.1 \ M$.
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View SolutionFor the reaction between $A$ and $B$,the initial rate of reaction $(r_0)$ was measured for different initial concentrations of $A$ and $B$ as given below. Determine the order of the reaction with respect to $A$ and $B$ respectively.
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| $[A] / mol \ L^{-1}$ | $0.2, 0.2, 0.4$ |
| $[B] / mol \ L^{-1}$ | $0.3, 0.1, 0.05$ |
| $r_0 / mol \ L^{-1} s^{-1}$ | $5.0 \times 10^{-5}, 5.0 \times 10^{-5}, 1.4 \times 10^{-4}$ |
Difficult
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