why iron does not exibit +5 oxidation state ? Share with your friends Share 2 Md Kashif Kalam answered this Because it is not stable at this particular oxydation state -6 View Full Answer Md Kashif Kalam answered this we Know the for irongeneral electronic configuaration is 3d64s2it is more stable at a configuration +2 and +3but after the removal of 5 electron it doesn't attain its stable electronic configuration. 5