Chemistry · Separation of Substances
Air contains oxygen, nitrogen, argon, and neon with boiling points of -183°C, -196°C, -186°C, and -246°C, respectively. When liquid air is gradually warmed up during fractional distillation, which statement correctly describes the sequence of separation based on their boiling points?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Oxygen gas will separate out first and nitrogen gas will separate out last.
- 2Neon gas will separate out first and oxygen gas will separate out last.
- 3Nitrogen gas will separate out first and oxygen gas will separate out last.✓
- 4Nitrogen gas will separate out first and neon gas will separate out last.
Correct answer
Nitrogen gas will separate out first and oxygen gas will separate out last.
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