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A Possible Mechanism for the Gas Phase Reaction of NO k1\stackrel { k _ { 1 } } { \longrightarrow }

question 44

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A possible mechanism for the gas phase reaction of NO and H2 is as follows: Step 1  A possible mechanism for the gas phase reaction of NO and H<sub>2</sub> is as follows: Step 1   2NO  \stackrel { k _ { 1 } } { \longrightarrow }  N<sub>2</sub>O<sub>2</sub> Step 2   N<sub>2</sub>O<sub>2</sub> + H<sub>2</sub>  \stackrel { k _ { 2 } } { \longrightarrow }  N<sub>2</sub>O + H<sub>2</sub>O Step 3   N<sub>2</sub>O + H<sub>2</sub>  \stackrel { k _ { 3 } } { \longrightarrow }  N<sub>2</sub> + H<sub>2</sub>O Which of the following statements concerning this mechanism is not directly supported by the information provided? A)  Step 1 is the rate determining step. B)  N<sub>2</sub>O<sub>2</sub> is an intermediate. C)  There is no catalyst in this reaction. D)  The rate expression for step 1 is rate = k[NO]<sup>2</sup>. E)  All steps are bimolecular reactions. 2NO k1\stackrel { k _ { 1 } } { \longrightarrow } N2O2
Step 2  A possible mechanism for the gas phase reaction of NO and H<sub>2</sub> is as follows: Step 1   2NO  \stackrel { k _ { 1 } } { \longrightarrow }  N<sub>2</sub>O<sub>2</sub> Step 2   N<sub>2</sub>O<sub>2</sub> + H<sub>2</sub>  \stackrel { k _ { 2 } } { \longrightarrow }  N<sub>2</sub>O + H<sub>2</sub>O Step 3   N<sub>2</sub>O + H<sub>2</sub>  \stackrel { k _ { 3 } } { \longrightarrow }  N<sub>2</sub> + H<sub>2</sub>O Which of the following statements concerning this mechanism is not directly supported by the information provided? A)  Step 1 is the rate determining step. B)  N<sub>2</sub>O<sub>2</sub> is an intermediate. C)  There is no catalyst in this reaction. D)  The rate expression for step 1 is rate = k[NO]<sup>2</sup>. E)  All steps are bimolecular reactions. N2O2 + H2 k2\stackrel { k _ { 2 } } { \longrightarrow } N2O + H2O
Step 3  A possible mechanism for the gas phase reaction of NO and H<sub>2</sub> is as follows: Step 1   2NO  \stackrel { k _ { 1 } } { \longrightarrow }  N<sub>2</sub>O<sub>2</sub> Step 2   N<sub>2</sub>O<sub>2</sub> + H<sub>2</sub>  \stackrel { k _ { 2 } } { \longrightarrow }  N<sub>2</sub>O + H<sub>2</sub>O Step 3   N<sub>2</sub>O + H<sub>2</sub>  \stackrel { k _ { 3 } } { \longrightarrow }  N<sub>2</sub> + H<sub>2</sub>O Which of the following statements concerning this mechanism is not directly supported by the information provided? A)  Step 1 is the rate determining step. B)  N<sub>2</sub>O<sub>2</sub> is an intermediate. C)  There is no catalyst in this reaction. D)  The rate expression for step 1 is rate = k[NO]<sup>2</sup>. E)  All steps are bimolecular reactions. N2O + H2 k3\stackrel { k _ { 3 } } { \longrightarrow } N2 + H2O
Which of the following statements concerning this mechanism is not directly supported by the information provided?

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