Find oxidation number of chromate or dichromate ion? Find oxidation number of chromate or dichromate ion? ion (GO t) • 2KMn04 M n o : tallowed by electroly-t Share with your friends Share 0 Ravjot Kaur answered this Dear student Dichromate ion , Cr2O72-let Cr have an oxidation number of xO has -2 chargeoverall charge on the ion is -2then 2x+7(-2) =-22x-14 =-22x=-2+142x=12x=+6In Chromate ion , CrO42-If Cr has an oxidation number xthen x+4(-2) =-2x-8 =-2x=+6 Thus oxidation state of Cr in both ions is +6 Regards 0 View Full Answer
