chemistry- electrochem

posted by .

Complete and balance the following redox equation. The sum of the coefficients when they are all whole numbers is
MnO4- + H+ + Br-® Mn2+ + Br2 + H2O (acidic solution)
6
17
21
29
43

• chemistry- electrochem -

Mn in MnO4^- goes from +7 on the left to +2 on the right.
Br goes from -2 (for 2 Br^-) on the left to 0 on the right (for two Br atoms).
Now you balance.

Similar Questions

1. balanced equation

? MnO4– + ?H+ + ?C2O42– --> ?Mn2+ + ?
2. chemistry

The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H+. MnO4-(aq) + HNO2(aq) ---> Mn2+(aq) + NO3-(aq)
3. Balance each of the following redox reactions occu

Balance each of the following redox reactions occurring in acidic solution a) SO32- (s) +MNO4- ---> SO42- +Mn2+ b) S2O32-+ Cl2 ---> SO42-+Cl-
4. chemistry

The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H+. MnO4-(aq) + HNO2(aq) ---> Mn2+(aq) + NO3-(aq) when i did it..i got the answer as1...but …
5. Chemistry

how do I balance the following skeleton redox equation for a reaction occurring in acidic solution. HNO2 + MnO4- yield to Mn2+ + NO3-
6. CHEM 1A

Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) Br ‾(aq) …
7. Chemistry

I need chemistry help. I think 1. c, 2.b, & 3.a (please tell me why or why not and help me set up the problems if possible) 1.) The following half reaction has been balanced except for the electrons. How many and where should the electrons …
8. chemistry

In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic …
9. chemistry Dr BOB

In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic …
10. Chemistry

Dr.Bobb222 please help balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions …

More Similar Questions

Post a New Question