$A \rightarrow P$ is a first-order reaction. The following graph is obtained for this reaction ($x$-axis $=$ time,$y$-axis $=$ concentration of $A$). The instantaneous rate of the reaction at point $C$ is:

  • A
    $\frac{1}{m}$
  • B
    $m$
  • C
    $2.303 \ m$
  • D
    $\frac{1}{2.303 \ m}$

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