Medium
Which of the following is an example of a second-order reaction?
- A$2 H_2 O_{2(g)} \longrightarrow 2 H_2 O_{(l)} + O_{2(g)}$
- B$H_{2(g)} + I_{2(g)} \longrightarrow 2 HI_{(g)}$
- C$CH_3 CHO_{(g)} \longrightarrow CH_{4(g)} + CO_{(g)}$
- D$2 NO_{(g)} + 2 H_{2(g)} \longrightarrow N_{2(g)} + 2 H_2 O_{(g)}$
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