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| 1. |
whats oxidanation no cr2o7 |
| Answer» Oxidation Number of Cr in Cr2O72- is ?: 2x+7(-2)=-2 ; 2x-14=-2 ; 2x=+12 ; x=+12/2 ; x=+6. Here after O7 (-2) is ? index of oxygen ion.??????? | |