Which row correctly gives the hybridisation and magnetic behaviour of Ni(CO)4, [Ni(CN)4]^2- (square planar) and [NiCl4]^2- in that order?

JEE Advanced levelSingle correct optionDifficulty 3 of 3cc219

Which row correctly gives the hybridisation and magnetic behaviour of $Ni (CO) X_{4}$ , $[Ni (CN) X_{4}] X^{2 -}$ (square planar) and $[NiCl X_{4}] X^{2 -}$ in that order?

Ni (CO) X_{4}

: Ni(0),

3 d^{10}

s p^{3}

, diamagnetic.

[Ni (CN) X_{4}] X^{2 -}

: Ni(II)

d^{8}

strong field,

d s p^{2}

, diamagnetic.

[NiCl X_{4}] X^{2 -}

: weak field,

s p^{3}

, two unpaired electrons, paramagnetic.