Which of the following complexes is used as an anticancer agent?

1. $\mathrm{m}\mathrm{e}\mathrm{r}-\left[\mathrm{C}\mathrm{o}{\left(\mathrm{N}{\mathrm{H}}_3\right)}_3\mathrm{C}\mathrm{l}\right]$
2. $\mathrm{C}\mathrm{i}\mathrm{s}-\left[\mathrm{P}\mathrm{t}\mathrm{ }\mathrm{C}{\mathrm{l}}_2{\left(\mathrm{N}{\mathrm{H}}_3\right)}_2\right]$
3. $\mathrm{c}\mathrm{i}\mathrm{s}-{\mathrm{K}}_2\left[\mathrm{P}\mathrm{t}\mathrm{ }\mathrm{C}{\mathrm{l}}_2\mathrm{ }\mathrm{B}{\mathrm{r}}_2\right]$
4. $\mathrm{N}{\mathrm{a}}_2\mathrm{C}\mathrm{o}\mathrm{C}{\mathrm{l}}_4$

Solution

Asked in: NEET 2014

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