In acidic medium, H2O2 changes Cr2O7 -2 to CrO5 which has two (-O-O-) bonds. Oxidation state of Cr in CrO5 is H2O2 changes Cr2O7 -2 to CrO5 which has two (-O-O-) bonds. Oxidation state of Cr in CrO5 is In acidic medium December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]