Chemistry, asked by VishleshaRayate, 8 months ago

3. Explain how oxygen gas can be prepared in the laboratory using potassium chlorate.

please give me answer fast

Answers

Answered by subhendumandal1014

Answer:

Mark brallint please

Explanation:

By heating method

When potassium chlorate is heated in the presence of manganese dioxide in the ratio of 3:1, it decomposes at 250°C into potassium chloride and oxygen. ... The first formed oxygen gas is contaminated with the air inside the hard glass test tube and delivery tube and is allowed to escape

Answered by khushi7190

Explanation:

By heating method

When potassium chlorate is heated in the presence of manganese dioxide in the ratio of 3:1, it decomposes at 250°C into potassium chloride and oxygen.

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