Which of the following is a square planar complex?

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Solution

Q.
Which of the following is a square planar complex

1 ${[N i {(C N)}_{4}]}^{2 -}$

2 ${[N i C l_{4}]}^{2 -}$

3 $[N i {(C O)}_{4}]$

4 ${[C o C l_{4}]}^{2 -}$

Ans.
(1)

$i)$ $N i^{2 +}; d^{8}; S F L; C . N o = 4; square planar$

$i i)$ $N i^{2 +}; d^{8}; W F L; C . N o = 4; Tetrahedral$

$i i i)$ $N i^{0}; 4 s^{2} 3 d^{8}; S F L; C . N o = 4; Tetrahedral$

$i v)$ $C o^{2 +}; 3 d^{7}; W F L; C . N o = 4; Tetrahedral$

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