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Chemistry Co-ordinatios Compounds Isomerism and Magnetic Properties Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Amongst and

A

and

are diamagnetic and

is paramagnetic

B

and

are diamagnetic and

is paramagnetic

C

and

are diamagnetic and

is paramagnetic

D

is diamagnetic and

and

are paramagnetic

Text Solution

Verified by Experts

The correct answer is:

The electronic configuration of Ni in

and are as following

in –

in –

in –

CO and are strong ligands so they induces pairing of electrons so their complexes are diamagnetic while is a weak ligand so it does not induce the pairing of electrons so its complex is paramagnetic.

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