The correct statement among the following is: | JEE Main 2026 Chemistry PYQ

MCQEasyJEE Main 2026 · 28 January, Shift 1Crystal Field Theory

The correct statement among the following is:

A
$\mathrm{Ni(CO)_4}$ is diamagnetic and $[\mathrm{NiCl_4}]^{2-}$ and $[\mathrm{Ni(CN)_4}]^{2-}$ are paramagnetic.
B
$\mathrm{Ni(CO)_4}$ and $[\mathrm{NiCl_4}]^{2-}$ are diamagnetic and $[\mathrm{Ni(CN)_4}]^{2-}$ is paramagnetic.
C
$[\mathrm{Ni(CN)_4}]^{2-}$ and $[\mathrm{NiCl_4}]^{2-}$ are diamagnetic and $\mathrm{Ni(CO)_4}$ is paramagnetic.
D
$\mathrm{Ni(CO)_4}$ and $[\mathrm{Ni(CN)_4}]^{2-}$ are diamagnetic and $[\mathrm{NiCl_4}]^{2-}$ is paramagnetic.

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