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What is a rate determining step?...

What is a rate determining step?

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In a multistep chemical reaction, which elementary step is considered as the "rate determining step"?

In a multi-step chemcial reaction, which elementary step is con-sidered as the rate determining step?

Which is the rate-determining step of the electrophilic substitution reaction of benzene and why ?

Which is the rate-determining step in aromatic electrophilic substitution reaction ?

The S_(N)1 reactivity depends on the stability of the ______obtained in the rate-determining step.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : in a multi-step reaction, the molecularity of overall reaction has no significance. Statement-II : Molecularity refers to the order of rate determining step.

{:("7. slow step","a. experimentally"),("8. order","b. zero order"),("9. molecularity","c. rate determining step"),("10. unit of order 'k'","d. maximum rate"),("11. rate independent of reactant","theoretical concept concentration"),(,"f. "sec^(-1)):}

Assertion (A) : The order and molecularity of the reaction is the same. Reason (R) : Order is determined experimentally. Molecularity is the sum of all the stoichiometric coefficients of the rate- determining elementary step.

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