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For a reaction $A+B \longrightarrow$ Products, the rate law is Rate $=k[A][B]^{3 / 2}$. Can the reaction be an elementary reaction? Explain.
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For an elementary reaction, order of reaction should be equal to molecularity and further molecularity should be an integral. For the given reaction, order of reaction is $1+\frac{3}{2}=\frac{5}{2}$
Since, the molecularity cannot be fractional, therefore for given reaction, order is not equal to molecularity. Hence given reaction cannot be an elementary reaction.
Since, the molecularity cannot be fractional, therefore for given reaction, order is not equal to molecularity. Hence given reaction cannot be an elementary reaction.
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