The rate constants for first-order and second-order reactions have units of ..... respectively.

  • A
    $time^{-1}, \text{ } mol^{-1} \cdot L \cdot time^{-1}$
  • B
    $mol^{-1} \cdot L \cdot time^{-1}, \text{ } time^{-1}$
  • C
    $time^{-1}, \text{ } mol \cdot L^{-1} \cdot time^{-1}$
  • D
    $sec^{-1}, \text{ } L \cdot mol^{-1} \cdot sec^{-1}$

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Fill in the blanks:
$1.$ The rate of reaction depends on the ........... step.
$2.$ In a bimolecular reaction,the reaction takes place with ........... species and ........... .
$3.$ The order of reaction is determined by ...........

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For the reaction $2 NO_{(g)} + Cl_{2_{(g)}} \rightarrow 2NOCl_{(g)}$,when the concentration of $Cl_2$ is doubled,the rate of the reaction becomes twice the original rate. When the concentration of $NO$ is doubled,the rate becomes four times the original rate. What is the overall order of the reaction?

For the reaction $2NO_2 + F_2 \to 2NO_2F$,the following mechanism has been provided:
$NO_2 + F_2 \xrightarrow{slow} NO_2F + F$
$NO_2 + F \xrightarrow{fast} NO_2F$
Thus,the rate expression of the above reaction can be written as:

For which type of reactions,order and molecularity have the same value?

The order of a reaction for an esterification process is . . . . . . .

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