$\begin{matrix} Column - I & Column - II i . & [N i (C O)_{4}] & Planar octahedral, diamagnetic i i . & [F e (N O) (H_{2} O)_{5}]^{2 +} & Planar, paramagnetic i i i . & [C o (N O_{2})_{6}]^{3 -} & Octahedral, diamagnetic i v . & [C u (N H_{3})_{4}]^{2 +} & Planar octahedral, paramagnetic Octahedral, paramagnetic \end{matrix}$

i - r, i i - p, i i i - q, i v - t

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i - r, i i - s, i i i - q, i v - t

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i - r, i i - s, i i i - p, i v - q

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i - r, i i - p, i i i - s, i v - q

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Solution

The correct option is C $i - r, i i - s, i i i - p, i v - q$

Column -I Column-II

i) $[N i (C O)_{4}]$ r) Octahedral, diamagnetic

ii) $[F e (N O) (H_{2} O)_{5}]^{2 +}$ s) Planar octahedral, paramagnetic

iii) $[C o (N O_{2})_{6}]^{3 -}$ p) Planar octahedral, diamagnetic

iv) $[C u (N H_{3})_{4}]^{2 +}$ q) Planar, paramagnetic

So the correct answer is $i - r, i i - s, i i i - p, i v - q$

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Similar questions

\begin{matrix} Column - I & Column - II (Complex ion) & (CFSE and hybridisation) a . {[C r (N H_{3})_{6}]}_{3}^{3 +} & (P) 0.0 Δ_{0}, s p^{3} d^{2} - hybridisation b . {[C u (N H_{3})_{6}]}_{3}^{2 +} & (Q) - 0.6 Δ_{0}, s p^{3} d^{2} - hybridisation c . {[F e (H_{2} O)_{6}]}_{2}^{3 +} & (R) - 1.2 Δ_{0}, d^{2} s p^{3} - hybridisation d . {[I r F_{6}]}_{6}^{3 -} & (S) Diamagnetic (T) Paramagnetic \end{matrix}

\begin{matrix} C o l u m n I & C o l u m n 2 & C o l u m n 3 (I) & [N i (C O)_{4}] & (i) & s p^{3} & (P) & D i a m a g n e t i c (H i g h s p i n) (I I) & [P t C l_{4}]^{2 -} & (i i) & s p^{3} d^{2} & (Q) & P a r a m a g n e t i c (H i g h s p i n) (I I I) & [N i (C O)_{4}] & (i i i) & d s p^{2} & (R) & D i a m a g n e t i c (L o w s p i n) (I V) & K_{2} [C o (C N)_{4}] & (i v) & d^{2} s p^{3} & (S) & P a r a m a g n e t i c (L o w s p i n) \end{matrix}

N i (C O)_{4}

[N i (C N)_{4}]^{2 -}

N i C l_{4}^{2 -}

[NiCl₄]²⁻ is paramagnetic while [Ni(CO)₄] is diamagnetic though both are tetrahedral. Why?

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	Column -I		Column-II
i)	$[N i (C O)_{4}]$	r)	Octahedral, diamagnetic
ii)	$[F e (N O) (H_{2} O)_{5}]^{2 +}$	s)	Planar octahedral, paramagnetic
iii)	$[C o (N O_{2})_{6}]^{3 -}$	p)	Planar octahedral, diamagnetic
iv)	$[C u (N H_{3})_{4}]^{2 +}$	q)	Planar, paramagnetic