For $n$th order of reaction,half-life period is directly proportional to

  • A
    $1 / a^{1-n}$
  • B
    $a^{n-1}$
  • C
    $a^{1-n}$
  • D
    $1 / a^{n-1}$

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The reaction $2A + B_{2} \rightarrow 2AB$ is an elementary reaction. For a certain quantity of reactants,if the volume of the reaction vessel is reduced by a factor of $3,$ the rate of the reaction increases by a factor of $.....$. (Round off to the Nearest Integer).

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