Determine the Overall Order of the Reaction H₂(g) + 2ICl(g) $\rightarrow$

question 90

Multiple Choice

Determine the overall order of the reaction H₂(g) + 2ICl(g) $\rightarrow$ I₂(g) + 2HCl(g) from the following data: $\begin{array} { c c c c }\text { Experiment } && P_{\text {PCI }} \text { (torr) } & \text { Rate (torr/s) }\\ & P _ { \mathbf { H } _ { \mathbf { 2 } } } & & \\ & \text { (torr) } & & \\ 1 & 250 & 325 & 1.34 \\ 2 & 250 & 81 & 0.331 \\ 3 & 50 & 325 & 0.266 \end{array}$

• A) first
• B) second
• C) third
• D) fourth
• E) zero

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