Question

In the laboratory preparation of oxygen, mention the following - i) name of chemicals ii) balanced equation iii) Collection of the gas​

Answer 1

Answer:

To make oxygen in the laboratory, hydrogen peroxide is poured into a conical flask containing some manganese(IV) oxide. The gas produced is collected in an upside-down gas jar filled with water. As the oxygen collects in the top of the gas jar, it pushes the water out.

2H+ + MnO2 + H2O2 → Mn2+ + 2H2O + O2

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