For the non-stoichiometric reaction $2A + B \rightarrow C + D,$ the following kinetic data were obtained in three separate experiments,all at $298 \, K.$
Initial Concentration $(A)$ Initial Concentration $(B)$ Initial rate of formation of $C$ $(mol \, L^{-1} \, s^{-1})$
$0.1 \, M$ $0.1 \, M$ $1.2 \times 10^{-3}$
$0.1 \, M$ $0.2 \, M$ $1.2 \times 10^{-3}$
$0.2 \, M$ $0.1 \, M$ $2.4 \times 10^{-3}$

The rate law for the formation of $C$ is:

  • A
    $\frac{d[C]}{dt} = k[A][B]$
  • B
    $\frac{d[C]}{dt} = k[A]^{2}[B]$
  • C
    $\frac{d[C]}{dt} = k[A][B]^{2}$
  • D
    $\frac{d[C]}{dt} = k[A]$

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$(a)$ Write the general reaction and derive the units of the rate constant. $(b)$ Based on that,write the rate constant units for zero,first,and $2^{nd}$ order reactions.

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Consider the gaseous reaction $A_2 + B_2 \rightarrow 2 AB$. The following data was obtained for the above reaction:
$[A_2]_0$$[B_2]_0$Initial rate of formation of $AB$ $(mol \ L^{-1} s^{-1})$
$0.1 \ M$$0.1 \ M$$2.5 \times 10^{-4}$
$0.2 \ M$$0.1 \ M$$5.0 \times 10^{-4}$
$0.2 \ M$$0.2 \ M$$1.0 \times 10^{-3}$

The value of the rate constant for the above reaction is:

........ of a reaction cannot be determined experimentally.

For the reaction $2A + B \rightarrow C$,the rate law is given by $\text{Rate} = k[A][B]$. Which of the following statements is correct for this reaction?

Reaction: $KClO_3 + 6FeSO_4 + 3H_2SO_4 \to KCl + 3Fe_2(SO_4)_3 + 3H_2O$
Which is True $(T)$ and False $(F)$ in the following statement?
The order of this reaction is $2$.

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