For a reaction $A \to B$,the rate of reaction quadrupled when the concentration of $A$ is doubled. The rate expression of the reaction is $r = K[A]^n$. The value of $n$ is

  • A
    $1$
  • B
    $0$
  • C
    $3$
  • D
    $2$

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Similar Questions

Units of rate constant of first and zero order reactions in terms of molarity $M$ unit are respectively

Select the rate law that corresponds to the data shown for the following reaction $A + B \to C$
$Expt. \ No.$ $[A]$ $[B]$ $Initial \ Rate$
$1$ $0.012$ $0.035$ $0.10$
$2$ $0.024$ $0.070$ $0.80$
$3$ $0.024$ $0.035$ $0.10$
$4$ $0.012$ $0.070$ $0.80$

For the reaction,$2N_2O_5 \to 4NO_2 + O_2$,the rate and rate constant are $1.02 \times 10^{-4} \ mol \ L^{-1} \ s^{-1}$ and $3.4 \times 10^{-5} \ s^{-1}$ respectively. The concentration of $N_2O_5$ in $mol \ L^{-1}$ will be:

What is the order of reaction for $A + B \to C$?
$Observation$ $[A] \ (mol \ L^{-1})$ $[B] \ (mol \ L^{-1})$ $Rate \ (mol \ L^{-1} \ sec^{-1})$
$1$ $0.1$ $0.1$ $2 \times 10^{-3}$
$2$ $0.2$ $0.1$ $4 \times 10^{-3}$
$3$ $0.1$ $0.2$ $8 \times 10^{-3}$

The mechanism of the reaction $2NO_2 + F_2 \to 2NO_2F$ is given by:
$(i)$ $NO_2 \xrightarrow{slow} NO + O$
$(ii)$ $F_2 + O + NO \xrightarrow{fast} NO_2F + F$
$(iii)$ $F + NO_2 \xrightarrow{fast} NO_2F$
Select the correct statement.

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