MCQ
Among $Ni(CO)_4,\, Ni(CN)_4^{2-}$ and $[Ni(Cl)_4]^{2-}$
  • A
    $Ni(CO)_4$ and $NiCl_4^{2-}$ are diamagnetic and $Ni(CN)_4^{2-}$ is paramagnetic
  • B
    $NiCl_4^{2-}$ and $Ni(CN)_4^{2-}$ are diamagnetic and $Ni(CO)_4$ is paramagnetic
  • $Ni(CO)_4$ and $Ni(CN)_4^{2-}$ are diamagnetic and $NiCl_4^{2-}$ is paramagnetic
  • D
    $Ni(CO_4)$ is diamagnetic and $NiCl_4^{2-}$ and $Ni(CN)_4^{2-}$ are paramagnetic

Answer

Correct option: C.
$Ni(CO)_4$ and $Ni(CN)_4^{2-}$ are diamagnetic and $NiCl_4^{2-}$ is paramagnetic
c
$Ni(CO)_4$ and $[Ni(CN)_4]^{2-}$ are diamagnetic $[NiCl_4]^{2-}$ are paramagnetic

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