Which of the following complexes is diamagnetic - Vidyadip

MCQ

Which of the following complexes is diamagnetic

✓
$Ni{(CO)_4}$
B
$Ni{(C{l_4})^{2 - }}$
C
$Ni(Br)_4^{2 - }$
D
$NiC{l_2}.4{H_2}O$

✓

Answer

Correct option: A.

$Ni{(CO)_4}$

a
(a) $CO$ is a strong ligand so induce pairing of electrons and hence $Ni{(CO)_4}$ is diamagnetic.

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