Unlike CO₂ or N₂O, O₂ Cannot Be Stored as a Liquid

question 35

Multiple Choice

Unlike CO₂ or N₂O, O₂ cannot be stored as a liquid at room temperature but must be kept in special cryogenic containers. Why is this so?

• A) O₂ is 20 times less diffusible than CO₂, N₂O, or cyclopropane.
• B) O₂ has a critical temperature well below room temperature.
• C) O₂ has an extremely high gas solubility coefficient.
• D) O₂ has a boiling point below well below room temperature.

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