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Q.
It is possible to obtain oxygen from air by
fractional distillation because
AIPMTAIPMT 1989The p-Block Elements - Part2
Solution:
Oxygen gas is prepared by fractional distillation
of air. During this process, dinitrogen with less
boiling point (78 K) distills as vapours while
dioxygen with higher boiling point (90 K) remains in
the liquid state and can be separated.