Suggest a mechanism behind the reaction    NO(g) + Cl2(g)  à  NOCl(g)  + Cl(g) with the rate law    rate = k [NO]2 [Cl2]   This reaction cannot be a one step reaction because of its rate law. It is therefore a multistep reaction, where the slow step represents a reaction between 2 molecules of NO with one molecule of Cl2                 (slow)       2NO   +   Cl2    à   ……….                  (fast).                                à  …………                                NO     +     Cl2.     à    NOCl    +    Cl

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