Question

Evaluate Yourself
8. Which ion has the stable electronic configuration? Ni2+ or Fe3+​

Answer 1

Answer:

Fe+3 ion

Explanation:

The electronic configuration of Ni+2 = [Ar] 3d8

The electronic configuration pf Fe+3 = [Ar] 3d5.

So, as we know that half filled subshells are more stable, Thus we can see that Fe+3 ion will be more stable than Ni+2 , because of more number of exchanges in Half filled subshell.

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