Write the chemical equation and collection of laboratory preparation of oxygen gas.
Answers
Answered by
1
Answer:
The following reaction is used for the preparation of oxygen gas in the laboratory.
2KClO
3
(s)
Heat
Catalyst
2KCl(s)+3O
2
(g)
Answered by
2
Answer:
To make oxygen in 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 jar , it pushes the water out .
Explanation:
Hydrogen peroxide - water + oxygen .
2 H O ( aq ) - 2 H O ( l ) + O ( g ) .
2 2 2 2
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