Pure Oxygen Can Be Produced by the Catalyzed Decomposition of Potassium

Pure oxygen can be produced by the catalyzed decomposition of potassium chlorate.Write a balanced chemical equation for this reaction.

A) KClO₃(s) $\to$ KClO(s) + O₂(g)
B) 2 KClO₃(s) $\to$ 2 K(s) + Cl₂(g) + 3 O₂(g)
C) 2 KClO₃(s) $\to$ 2 KCl(s) + 3 O₂(g)
D) 2 KClO₃(s) $\to$ 2 KClO₂(s) + O₂(g)
E) KClO₃(s) $\to$ K(s) + ClO(g) + O₂(g)