The Reaction NO₂(g) + CO(g) $\rightarrow$ NO(g) + CO₂(g) Is Thought to Occur by the Following

question 4

Multiple Choice

The reaction NO₂(g) + CO(g) $\rightarrow$ NO(g) + CO₂(g) is thought to occur by the following mechanism:
Step 1: NO₂(g) + NO₂(g) $\rightarrow$ NO₃(g) + NO(g)
Step 2: NO₃(g) + CO(g) $\rightarrow$ NO₂(g) + CO₂(g)
Which of the following species is an intermediate?

• A) NO₂
• B) NO
• C) NO₃
• D) CO₂
• E) This mechanism has no intermediates.

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