Post a New Question


posted by .

Balance the redox equation by oxidation number method:

Cr2O7 2- + Br- + H+ = Cr 3+ + Br + H2O

Please help!

  • Chemistry -

    What's the trouble.
    Cr goes from +6 for EACH Cr atom to +3. Br goes from -1 to 0.
    Here is a site that tells you how to do it but I can help if you identify the problem.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question