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Questions and Answers
What is the result of heating red mercury 2 oxide?
What is the result of heating red mercury 2 oxide?
- Copper metal and carbon dioxide gas
- Iron metal and nitrogen gas
- Mercury metal and oxygen gas (correct)
- Silver metal and hydrogen gas
Where does the Mercury metal condense in the test tube when red mercury 2 oxide is heated?
Where does the Mercury metal condense in the test tube when red mercury 2 oxide is heated?
- On the sides of the test tube
- At the top of the test tube (correct)
- It does not condense in the test tube
- At the bottom of the test tube
How can we demonstrate that the collected gas is Oxygen?
How can we demonstrate that the collected gas is Oxygen?
- By testing the gas with a thermometer
- By testing the gas with a glowing splint (correct)
- By testing the gas with a magnet
- By testing the gas with a pH indicator
What is the color of the Mercury metal seen in the test tube after heating red mercury 2 oxide?
What is the color of the Mercury metal seen in the test tube after heating red mercury 2 oxide?
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Study Notes
- In a classic experiment, mercury(II) oxide is heated, resulting in the production of Mercury metal and oxygen gas.
- A sample of red mercury(II) oxide is used for the experiment.
- Heating the sample causes the mercury(II) oxide to decompose.
- Mercury metal formed condenses at the top of the test tube.
- Oxygen gas is collected by displacing water.
- The collected gas can be identified as oxygen by introducing a glowing splint into the test tube.
- The splint's combustion accelerates in the oxygen and re-ignites, confirming the presence of oxygen gas.
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Description
Learn about the classic experiment where heating mercury(II) oxide results in the production of mercury metal and oxygen gas. Understand the process of collecting and identifying the oxygen gas produced during the decomposition.
