Determine the Overall Order of the Reaction 2NO(g) + Cl₂(g) $\rightarrow$

Determine the overall order of the reaction 2NO(g) + Cl₂(g) $\rightarrow$ 2NOCl(g) from the following data: $\begin{array}{cccc}\text { Experiment } & {[\mathbf{N O}](M) } & {\left[\mathrm{Cl}_{2}\right](M) } & \text { Rate }(M / \mathbf{s}) \\1 & 0.0300 & 0.0100 & 3.4 \times 10^{-4} \\2 & 0.0150 & 0.0100 & 8.5 \times 10^{-5} \\3 & 0.0150 & 0.0400 & 3.4 \times 10^{-4}\end{array}$

A) first
B) second
C) third
D) fourth
E) fifth