Pure Oxygen Can Be Produced by the Catalyzed Decomposition of Potassium

Multiple Choice

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

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