A Proposed Mechanism for the Reduction of Nitrogen as NO $\rightarrow$

question 152

Multiple Choice

A proposed mechanism for the reduction of nitrogen as NO by hydrogen is:
Step 1: H₂(g) + 2NO(g) $\rightarrow$ N₂O(g) + H₂O(g)
Step 2: N₂O(g) + H₂(g) $\rightarrow$ N₂(g) + H₂O(g)
What is the molecularity of step 1?

• A) unimolecular
• B) bimolecular
• C) termolecular
• D) zero molecular (spontaneous)
• E) More information is needed to answer this question.

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