When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of ClO2-(aq) will be:
Cl2O7(aq) + H2O2(aq) --> ClO2- (aq) + O2(g)
3)Complete and balance the following half reaction in acid.
Cr2O72-(aq) --> Cr3+(aq)
How many electrons are needed and is the reaction an oxidation or reduction?
2 electrons, oxidation
4 electrons, oxidation
5 electrons, oxidation
7 electrons, oxidation
2 electrons, reduction
4 electron, reduction
5 electrons, reduction
6 electrons, reduction
7 electrons, reduction