When balancing oxidation–reduction equations in aqueous solution
CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions
Problem
When balancing oxidation–reduction equations in aqueous solution, which quantity must be identical in the oxidation half-reaction and the reduction half-reaction before the two half-reactions are combined?
(a) The total charge on each side
(b) The number of electrons transferred
(c) The number of hydrogen atoms
(d) The number of oxygen atoms