Question

2. Which has. The
stable electronic configuration? Ni+2. Or. Fe+2.​

Answer 1

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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