How is oxygen prepared in the laboratory? – InterviewSolution

1.	How is oxygen prepared in the laboratory?
Answer» SOLUTION :Oxygen is PREPARED in the laboratory by heating potassium CHLORATE in PRESENCE of manganese DIOXIDE `(MnO_(2))` as a catalyst at 623 K. `2KClO_(3)overset(MnO_(2))rarr2KCl+3O_(2)`

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