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

question 179

Multiple Choice

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

• A)k[H₂][NO]
• B)k[H₂][NO]²
• C)k[H₂]²[NO]
• D)k[H₂]²[NO]²
• E)More information is needed to answer this question.

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