Oxidation state of chromium in cr2o72 July 8, 2019 16 32 64 128 Oxidation state of chromium in cr2o72- What is the oxidation state of chromium in the dichromate ion cr2o72 − The oxidation state of chromium in dichromate ion cr2o72 What is the oxidation state of chromium in the following polyatomic ion cr2o72 − Cr2o7 oxidation number Cr2o72- oxidation number