For a certain reaction $A \to P$,the half-life for different initial concentrations of $A$ is mentioned below:
$[A_0]$$0.1 \ M$$0.025 \ M$
$t_{1/2} \ (s)$$100 \ s$$50 \ s$

Which of the following option$(s)$ is/are correct?

  • A
    The order is $1$
  • B
    The order is $2$
  • C
    For $[A_0] = 1 \ M$,$t_{1/2} = 25 \ s$
  • D
    The unit of $k$ is $M^{-1} \ s^{-1}$

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