Fe2+ ion is less stable than Fe3+ ion.Show the appropriate reason.
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because according to electronic configuration of Fe
atomic no.of Fe=26
electronic configuration (Ar)^18 (4s)^2 (3d)^6
when two electrons loss Fe2+ form and configuration formed is(3d)^6 and if three electrons loss configuration formed is (3d)^5which is half filled extra stable configuration
therefore Fe2+ is less stable than Fe3+
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