Problem: The rate law for 2 NO(g) + O2(g) ⟶ 2NO2(g) is rate = k[NO]2[O2]. In addition to the mechanism in the text (Section 16.6), the following ones have been proposed:I        2NO(g) + O2(g) ⟶2NO2(g)II       2NO(g) ⇌ N2O2(g)                          [fast]         N2O2(g) + O2(g) ⟶2NO2(g)           [slow]III      2NO(g) ⇌ N2(g) + O2(g)                  [fast]         N2(g) + 2O2(g) ⟶ 2NO2(g)            [slow](a) Which of these mechanisms is consistent with the rate law?

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FREE Expert Solution

We are asked which of these mechanisms is consistent with the rate law.


2 NO(g) + O2(g) ⟶ 2 NO2(g)

rate = k[NO]2[O2]


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Problem Details

The rate law for 2 NO(g) + O2(g) ⟶ 2NO2(g) is rate = k[NO]2[O2]. In addition to the mechanism in the text (Section 16.6), the following ones have been proposed:

I        2NO(g) + O2(g) ⟶2NO2(g)
II       2NO(g) ⇌ N2O2(g)                          [fast]
         N2O2(g) + O2(g) ⟶2NO2(g)           [slow]
III      2NO(g) ⇌ N2(g) + O2(g)                  [fast]
         N2(g) + 2O2(g) ⟶ 2NO2(g)            [slow]

(a) Which of these mechanisms is consistent with the rate law?

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Based on our data, we think this problem is relevant for Professor Burnett's class at WEBER.

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.