which of the following ion has the stable electronic configuration a) Sc+2 b) Fe+2 c)Ni +3 d ) Zn+2
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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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