The correct statement among the following is:

Options

1. A$\mathrm{Ni}(\mathrm{CO})_{4}$ and \left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$are diamagnetic and \left[\mathrm{NiCl}_{4}\right]^{2-}$ is paramagnetic.
2. B$\mathrm{Ni}(\mathrm{CO})_{4}$ and \left[\mathrm{NiCl}_{4}\right]^{2-}$are diamagnetic and \left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ is paramagnetic.
3. C$\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ and $\left[\mathrm{NiCl}_{4}\right]^{2-}$ are diamagnetic and $\mathrm{Ni}(\mathrm{CO})_{4}$ is paramagnetic.
4. D$\mathrm{Ni}(\mathrm{CO})_{4}$ is diamagnetic and \left[\mathrm{NiCl}_{4}\right]^{2-}$and \left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}$ are paramagnetic.