Exhibit 18-2
the Following Question(s) Pertain to the Initial Rate

question 28

Multiple Choice

Exhibit 18-2
The following question(s) pertain to the initial rate data given below for the reaction:

$\begin{array}{l}\begin{array}{|l|l|}\hline\mathrm{AB}+5 \mathrm{~B}+6 \mathrm{C} \text { @ } 3 \mathrm{~B}_{2}+\mathrm{C}_{i} \mathrm{~A}\\\hline\\\hline{[\mathrm{AB}]} & \mathrm{B}] \\\hline \mathrm{mol} \cdot \mathrm{L}^{-1} & \text { mol } \mathrm{L}^{-1} \\\hline 1.0 & 1.0 \\\hline 2.0 & 1.0 \\\hline 1.0 & 3.0 \\\hline 2.0 & 1.0 \\\hline\end{array}\begin{array}{l|l|}\hline\\\hline\\\hline[\mathrm{C}] & \text { Initial Rate } \\\hline \mathrm{mol} \cdot \mathrm{L}^{-1} & {[\mathrm{AB}] \cdot \mathrm{s}^{-1}} \\\hline 1.0 & 12 \\\hline 1.0 & 24 \\\hline 1.0 & 35 \\\hline 1.5 & 54 \\\hline\end{array}\end{array}$

Refer to Exhibit 18-2. What is the overall order of the reaction?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5