Reaction 1 is a redox reaction. Na is oxidized while Cl is reduced. Reaction 2 is also a redox reaction. In KClO3, Cl is in oxidation state Cl5+ and O is O2-. When it decomposes, Cl is reduced to Cl- while O is oxidized to O2. Reaction 3 is a neutralization reaction. An acid plus a base produces a salt plus water. Solution Reaction 1 is a redox reaction. Na is oxidized while Cl is reduced. Reaction 2 is also a redox reaction. In KClO3, Cl is in oxidation state Cl5+ and O is O2-. When it decomposes, Cl is reduced to Cl- while O is oxidized to O2. Reaction 3 is a neutralization reaction. An acid plus a base produces a salt plus water..