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\( \mathrm{Nu}^{-}+\mathrm{Me}-\mathrm{OTs} \underset{\text { DMSO }}{\longrightarrow} \mathrm{Me}-\mathrm{Nu}+ \) TsOr This is a \( \mathrm{S}_{\mathrm{N}} 2 \) reaction where nucleophile attack Me-OTs in the rate determining step to give the product. Rate of this reaction increases with concentration as well as nucleophilicity of the nucleophile. Match the column I with column II for the above reaction
\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{\( \begin{array}{c}\text { Column-I } \\
\text { (Nucleophile) }\end{array} \)} & \multicolumn{2}{c|}{\( \begin{array}{c}\text { Column-II } \\
\text { (Relative Rate) }\end{array} \)} \\
\hline A. & \( \mathrm{F}^{-} \) & p. & 3.25 \\
\hline B. & \( \mathrm{Cl}^{-} \) & q. & 6.25 \\
\hline C. & \( \mathrm{Br}^{-} \) & r. & 1.0 \\
\hline D. & \( \mathrm{I}^{-} \) & s. & 7.75 \\
\hline
\end{tabular}
(1) A-(p); B-(q); C-(r); D-(s)
(2) A-(s); B-(q); C-(p); D-(r)
(3) A-(r); B-(s); C-(q); D-(p)
(4) A-(s); B-(q); C-(r); D-(p)
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