Solid Compound Decomposes Quite Rapidly Heating Presence Black Substance Solid Compound

The white solid compound A decomposes quite rapidly on heating in the presence of a black substance X … is the general name of…


(a) Potassium chlorate, KClO3

(b) Potassium chloride, KCl

(c) Oxygen, O2

(d) Manganese dioxide, MnO2; It acts as a catalyst in the decomposition of potassium chlorate to form oxygen gas

 (e) Catalysts