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  • Using collision theory. Select the true expression for the rate constant for the unimolecular

Using collision theory. Select the true expression for the rate constant \mathrm{(K)} for the unimolecular reaction \mathrm{A \longrightarrow B.} Assume that the fraction of effective collisions \mathrm{(F)} is \mathrm{ 1.}
 

Option: 1

\mathrm{k=z \times f}
 


Option: 2

\mathrm{K=Z \times P}

 


Option: 3

\mathrm{k=Z / p}
 


Option: 4

\mathrm{k=z}


Answers (1)

best_answer

For unimolecular reactions, the fraction of effective collision \mathrm{( F )} is assumed to be 1 . since there is only one reactant molecule involved. Therefore, the rate constant \mathrm{(k)}reduces to \mathrm{k=z}, representing the frequency of collisions.

Hence option 4 is correct.

Posted by

Divya Prakash Singh

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