March 24, 2017

Post a New Question

Posted by on Friday, February 24, 2012 at 11:25pm.

Balance the redox equation by oxidation number method:

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

Please help!

  • Chemistry - , Saturday, February 25, 2012 at 12:01am

    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.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question