For the reaction  2 NO(g) + Cl2(g) → 2 NOCl(g), there are two proposed mechanisms:  (I)     2 NO → N2O2 (fast)                                    N2O2 + Cl2 → 2 NOCl  (slow)       (II)   NO+ Cl2 → NOCl2  (fast)                               NOCl2+ NO → 2 NOCl  (slow)  The overall reaction is second-order in NO and first-order in Cl2.  Which mechanism(s) rationalize the experimental rate law? mechnaism 1 onl 2 mechanism 2 only  both mechanism 1 and 2  neither

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