Duration: 5:20

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Match the following and select the correct option.
\begin{tabular}{|c|l|c|l|}
\hline \multicolumn{2}{|c|}{ Column-I } & \multicolumn{2}{c|}{ Column-II } \\
\hline A. & \( \mathrm{Fe}^{3+} \) & p. & White precipitate with \( \mathrm{NaCl} \) \\
\hline B. & \( \mathrm{Fe}^{2+} \) & q. & \( \begin{array}{l}\text { Chocolate brown ppt. with } \\
\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\end{array} \) \\
\hline C. & \( \mathrm{Cu}^{2+} \) & r. & \( \begin{array}{l}\text { Prussian blue colour with } \\
\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\end{array} \) \\
\hline D. & \( \mathrm{Ag}^{+} \) & s. & \( \begin{array}{l}\text { Turnbulls blue colour with } \\
\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\end{array} \) \\
\hline
\end{tabular}
(1) A-(p); B-(q); C-(r); D-(s)
(2) A-(r); B-(p); C-(q); D-(s)
(3) A-(p); B-(s); C-(q); D-(r)
(4) A-(r); B-(s); C-(q); D-(p)
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