A Possible Mechanism for the Overall Reaction Br₂ (G)+ 2NO

question 33

Multiple Choice

A possible mechanism for the overall reaction Br₂ (g) + 2NO (g) → 2NOBr (g)
Is
Step 1) NO (g) + Br₂ (g) NOBr₂ (g) (fast)
Step 2) NOBr₂ (g) + NO (g) 2NOBr (slow)
What is the rate determining step for this reaction?

• A)step 2
• B)reverse of step 1
• C)both steps 1 and 2
• D)step 1
• E)reverse of step 2

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