Chlorine Dioxide Reacts in Basic Water to Form Chlorite and Chlorate

Multiple Choice

Chlorine dioxide reacts in basic water to form chlorite and chlorate according to the following chemical equation: 2ClO₂(aq) + 2OH^-(aq) $\rarr$ ClO₂^-(aq) + ClO₃^-(aq) + H₂O(l)
A kinetic study of this reaction under a certain set of conditions yielded the data below. $\begin{array}{|l|c|c|c|}\hline \operatorname{Exp} & {\left[\mathrm{ClO}_{2}\right](\mathrm{M}) } & {\left[\mathrm{OH}^{-}\right](\mathrm{M}) } & -\Delta\left[\mathrm{ClO}_{2}\right] / \Delta \mathrm{t}(\mathrm{M} / \mathrm{s}) \\\hline 1 & 0.0500 & 0.100 & 5.75 \times 10^{-2} \\\hline 2 & 0.100 & 0.100 & 2.30 \times 10^{-1} \\\hline 3 & 0.100 & 0.0500 & 1.15 \times 10^{-1} \\\hline\end{array}$ Which one of the following is the rate law for this reaction

A) rate = k[ClO₂][OH^-]
B) rate = k[ClO₂]²[OH^-]
C) rate = k[ClO₂][OH^-]²
D) rate = k[ClO₂]²[OH^-]²
E) rate = k[ClO₂]⁴[OH^-]