Chemistry, asked by Aditi0210, 1 year ago

pls solve this question

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Answered by taz2

Ni3+ has maximum number of unpaired electrons

Answered by Sukanya29

Ni - [Ar] 3d8 4s2
Ni3+ - [Ar] 3d7
So, 1 unpaired electron
Cu - [Ar] 3d10 4s1
Cu+ - [Ar] 3d10
So, no unpaired electron
Fe- [Ar] 3d6 4s2
Fe2+ - [Ar] 3d6
So, no unpaired electron
Zn- [Ar] 3d10 4s2
Zn2+ - [Ar] 3d10
So, no unpaired electron
Thus, answer is Ni3+

Aditi0210: thank you!

Sukanya29: you're welcome

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