Question

1. For the reaction Ni2+(aq) + 2Fe2+(aq)----Ni(s) + 2Fe3+(aq), thestandard cell potential E°cell is?

2. Complete and balance the following redox equation that occurs inacidic solution using the set of smallest whole-numbercoefficients. What is the sum of all the coefficients in theequation?
PbO2(s) + Cl– ? Pb2+ + Cl2(g)

3. Complete and balance the following redox equation.?
Bi(OH)3 + SnO22- -----Bi + SnO32- (basic solution)
The sum of the smallest whole-number coefficients is

4. Complete and balance the following redox equation. What is thecoefficient of OH- when the equation is balanced using the set ofsmallest whole-number coefficients?
MnO4- + I- ?MnO2 + IO3- (basic solution