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Match the pairs of complex/compounds listed in column-I with the characteristic(s) of the reaction products listed in column-II.
\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{ Column-I } & \multicolumn{2}{c|}{ Column-II } \\
\hline A. & \( \begin{array}{l}\mathrm{Cu}(\mathrm{I}) \text { and } \mathrm{Zn}(\mathrm{II}) \\
\text { complexes }\end{array} \) & p. & \( \begin{array}{l}\text { Pair of compound having } \\
\text { similar colour and same but } \\
\text { non } \rightarrow \text { zero magnetic moment }\end{array} \) \\
\hline B. & \( \begin{array}{l}\mathrm{KMnO}_{4} \text { and } \\
\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\end{array} \) & q. & \( \begin{array}{l}\text { Pair of compounds having } \\
\text { diamagnetic character but } \\
\text { coloured }\end{array} \) \\
\hline C. & \( \mathrm{Cu}_{2} \mathrm{O} \) and \( \mathrm{HgI}_{2} \) & r. & \( \begin{array}{l}\text { Pair of compounds having } \\
\text { metals in the highest stable } \\
\text { oxidation state }\end{array} \) \\
\hline D. & \( \begin{array}{l}{\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}} \\
\text { and }\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\end{array} \) & s. & \( \begin{array}{l}\text { Pair of compounds which } \\
\text { show diamagnetism and are } \\
\text { colourless }\end{array} \) \\
\hline
\end{tabular}
(a) \( \mathrm{A} \rightarrow \mathrm{r} ; \mathrm{B} \rightarrow \mathrm{q}, \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{q} ; \mathrm{D} \rightarrow \mathrm{q} \)
(b) \( \mathrm{A} \rightarrow \mathrm{s} ; \mathrm{B} \rightarrow \mathrm{p}, \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{q} ; \mathrm{D} \rightarrow \mathrm{s} \)
(c) \( \mathrm{A} \rightarrow \mathrm{s} ; \mathrm{B} \rightarrow \mathrm{q}, \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{q} ; \mathrm{D} \rightarrow \mathrm{q} \)
(d) \( \mathrm{A} \rightarrow \mathrm{s} ; \mathrm{B} \rightarrow \mathrm{q}, \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{s} ; \mathrm{D} \rightarrow \mathrm{r} \)
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