The half life for the decomposition of gaseous compound $A$ is $240\,s$ when the gaseous pressure was $500\,Torr$ initially. When the pressure was $250\,Torr$, the half life was found to be $4.0\,min$. The order of the reaction is....... (Nearest integer)

  • [JEE MAIN 2022]
  • A

    $4$

  • B

    $3$

  • C

    $2$

  • D

    $1$

Similar Questions

The rate equation for the reaction $2A + B \to C$ is found to be : rate $ = k[A][B]$. The correct statement in relation to this reaction is that the

  • [AIEEE 2004]

Consider the reaction, $2A + B \rightarrow$ products. When concentration of $B$ alone was doubled, the half-life did not change. When the concentration of $A$ alone was doubled, the rate increased by two times. The unit of rate constant for this reaction is

  • [AIEEE 2007]

A reaction involving two different reactants

  • [AIEEE 2005]

During Kinetic study of reaction $2 A+B \rightarrow C+D$, the following results were obtained :

  $A[M]$ $B[M]$

initial rate of

formation of $D$

$i$ $0.1$ $0.1$ $6.0 \times 10^{-3}$
$ii$ $0.3$ $0.2$ $7.2 \times 10^{-2}$
$ii$ $0.3$ $0.4$ $2.88 \times 10^{-1}$
$iv$ $0.4$ $0.1$ $2.40 \times 10^{-2}$

Based on above data, overall order of the reaction is $\qquad$

  • [JEE MAIN 2024]

Time required for completion of ionic reactions in comparison to molecular reactions is