The reaction 2NO(g) + Cl2(g) --> 2NOCl(g) obeys the rate law rate = k [NO]2 [Cl2]....

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Chemistry

The reaction 2NO(g) + Cl2(g) --> 2NOCl(g) obeysthe rate law rate = k [NO]2 [Cl2]. Thefollowing mechanism is proposed:

NO (g) + Cl2 (g) --> NOCl2(g)

NOCl2(g) + NO (g) -->2NOCl (g)

a) What would the rate law be if the first step was ratedetermining?

b) Based on the observed rate law, what can be concluded aboutthe relative rates of the 2 reactions?

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3.7 Ratings (337 Votes)
a Rate laws must be determined experimentally however if the first step is a bimolecular elementary step then the rate law would be rate kNO2 Cl2 b The observed rate law appears    See Answer
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