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Instant Fire. Potassium chlorate, KClO 3, is a white, crystalline or powdery solid which is a very good oxidizing agent; it is used in explosives, fireworks, matches, etc. When it decomposes under heating (especially in the presence of a manganese catalyst), it releases molecular oxygen, O 2 : 2KClO 3 (s) â.
Finkelstein reaction is particularly useful for preparing iodoalkanes. The iodoalkanes are obtained by heating chloro or bromoalkanes with a concentrated solution of sodium iodide in dry acetone. $(\ce{X=Cl,~Br;~R=alkyl ~group})$. NOTE: Refluxing is a process of heating a liquid in a flask provided with a condenser.