Which has maximum paramagnetic nature?

Chemistry Co-ordinatios Compounds General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

[Cu(H2O)4]2+

[Cu(NH3)4]2+

[Mn(H2O)6]2+

[Fe(CN)6]4–

Text Solution

Verified by Experts

The correct answer is:

Mn2+, 3d5 configuration has 5 unpaired electrons.

In Fe2+ (3d6) has no unpaired electrons because of strong field ligand (CN–), all electrons are paired.

In and Cu2+(3d9) has one unpaired electron.

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