The Mechanism for the Reaction H₂(g)+ 2 ICl(I) $\to$ 2 HCl(g)+ I₂(g)is Proposed to Be: Step 1: H₂(g)+ ICl(g)

question 17

Multiple Choice

The mechanism for the reaction H₂(g) + 2 ICl(I) $\to$ 2 HCl(g) + I₂(g) is proposed to be: Step 1: H₂(g) + ICl(g) $\to$ HI(g) + HCl(g) (slow)
Step 2: HI(g) + ICl(g) $\to$ I₂(g) +HCl(g) (fast)
What is the molecularity of the rate-determining step?

• A)zeromolecular
• B)unimolecular
• C)bimolecular
• D)termolecular
• E)More information is needed to answer this question.

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