It is possible to obtain oxygen from air by fractional distillation because

Question

It is possible to obtain oxygen from air by fractional distillation because

It is possible to obtain oxygen from air by fractional distillation because
(a) oxygen is in a different group of the periodic table from nitrogen
(b) oxygen is more reactive than nitrogen
(c) oxygen has higher b.p. than nitrogen
(d) oxygen has a lower density than nitrogen

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(c) Air is liquified by making use of the joule-Thompson effect (cooling by expansion of the gas) Water vapour and CO₂ are removed by solidification. The remaining major constituents of liquid air i.e., liquid oxygen and liquid nitrogen are separated by means of fractional distillation (b.p. of O₂ = –183°C : b. P. of N₂ = – 195.8°C)