Question

Arrange the gases present in the air in th increasing order of their boiling points.Which gas forms liquid first as the air is cooled?

Answer 1

Answer:

Argon<Oxygen<carbon dioxide

Answer 2

Nitrogen(lowest)  < Argon <  Oxygen  < Carbon dioxide.

- Carbon dioxide forms the liquid first when the air is cooled.

Explanation:

The major constituents of air include Nitrogen, Argon, Oxygen, and Carbon dioxide.

The boiling point of these gases in the increasing order are as follows:

1). Nitrogen = -195.8 °C

2). Argon = -185.8 °C

3). Oxygen = -183 °C

4). Carbon dioxide = -78.46 °C

Carbon dioxide will form the liquid at first as its gas molecules contain more components in comparison to Nitrogen or Oxygen.

Learn more: Atmosphere

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