MCQ
The given reaction $2NO + {O_2} \to 2N{O_2}$ is an example of
  • A
    First order reaction
  • B
    Second order reaction
  • Third order reaction
  • D
    None of these

Answer

Correct option: C.
Third order reaction
c
(c)It is a third order reaction because

${\rm{Rate}} = {\rm{K[NO}}{{\rm{]}}^{\,\,{\rm{2}}}}{[{O_2}]^{\,1}}$

$\therefore $ O.R. $= 2 + 1 = 3$

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