Published by:
CGP EDU Academic Team
Published on: August 11, 2026
The geometry and magnetic behaviour of the complex 
are
Text Solution
Verified by ExpertsThe correct answer is:
B
Electronic configuration of 
is
.
Due to presence of CO (neutral ligand), oxidation state of Ni in 
is 0 .
Since, 
is a strong field ligand, it pair up the unpaired electrons of Ni .
There is no unpaired electron, hence 
is diamagnetic with tetrahedral geometry.
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