Cr2O3 Cr2O7^2- MgCr2O3© BrainMass Inc. brainmass.com October 24, 2018, 8:38 pm ad1c9bdddf
Oxidation numbers are sometimes difficult, but they will get easier with time. For the general solutions, you will need to consult the general rules to oxidations numbers (should be in any textbook, and in this library).
Use the rules you know to find the unknown oxidation ...
The oxidation states of Chromium are determined.
Determining the Oxidation State of an Element in a Compound
How do you determine the oxidation state of an element in a compound? Two well-known compounds KMnO4 and K2Cr2O7 are used as examples.View Full Posting Details