Oxygen is lost when rising and oxygen is lost when falling~~Eight-character mantra~
Cl in KClO3 has a valence of +5 and O has a valence of -2
Oxidation reaction It is the change of Cl from +5 valence to -1 valence in KCl
The reduction reaction is the change of O from -2 valence to 0 valence in O2
KCLO3==2KCL+3O3 is a decomposition reaction, all the reactants of the decomposition reaction undergo both oxidation and reduction reactions