MCQ
Which of the following is a first order reaction
  • $N{H_4}N{O_2} \to {N_2} + 2{H_2}O$
  • B
    $2HI$$ \to $${H_2} + {I_2}$
  • C
    $2N{O_2} \to 2NO + {O_2}$
  • D
    $2NO + {O_2} \to 2N{O_2}$

Answer

Correct option: A.
$N{H_4}N{O_2} \to {N_2} + 2{H_2}O$
a
(a)It is a standard example of first order because in that reaction rate of reaction affected by only one concentration term.

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