$A_2 + B_2 \to 2AB$; $R.O.R = k[A_2]^a[B_2]^b$
Initial $[A_2]$ Initial $[B_2]$ $R.O.R. (r) \ M s^{-1}$
$0.2$ $0.2$ $0.04$
$0.1$ $0.4$ $0.04$
$0.2$ $0.4$ $0.08$

Order of reaction with respect to $A_2$ and $B_2$ are respectively:

  • A
    $a = 1, b = 1$
  • B
    $a = 2, b = 0$
  • C
    $a = 2, b = 1$
  • D
    None

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