The rate law for the reaction below is given by the expression $Rate = k[A][B]$.
$A + B \to \text{Product}$
If the concentration of $B$ is increased from $0.1 \ M$ to $0.3 \ M$,keeping the concentration of $A$ constant at $0.1 \ M$,the rate constant $(k)$ will be:

  • A
    $3k$
  • B
    $9k$
  • C
    $k/3$
  • D
    $k$

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$Expt. \ No.$ $[A]$ $[B]$ $Initial \ Rate$
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Consider the gaseous reaction $A_2 + B_2 \rightarrow 2 AB$. The following data was obtained for the above reaction:
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$0.1 \ M$$0.1 \ M$$2.5 \times 10^{-4}$
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