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

question 129

Multiple Choice

The mechanism for the reaction H₂(g) + 2 ICl(g) $\rightarrow$ 2 HCl(g) + I₂(g) is proposed to be:
Step 1: H₂(g) + ICl(g) $\rightarrow$ HI(g) + HCl(g) (slow)
Step 2: HI(g) + ICl(g) $\rightarrow$ 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.

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Definitions:

Cash Payback Period

The duration of time it takes for an investment to generate enough cash flow to recover its initial cost.

Net Income

The total earnings of a company after all expenses and taxes have been deducted from revenues, indicating profitability.

Straight-Line Rate

A method of calculating depreciation by dividing the difference between an asset's cost and its salvage value by the number of years it is expected to be used.

Annual Rate

The interest rate or growth rate over a period of one year, used for comparing investment returns or loan costs.