How is dinitrogen prepared on a commercial scale ? – InterviewSolution

1.	How is dinitrogen prepared on a commercial scale ?
Answer» Solution :(i) On a commercial scale, dinitrogen is prepared by the fractional DISTILLATION of liquid air. (ii) Liquid dinitrogen distils out FIRST having BOILING point 77.2 K leaving BEHIND liquid dioxygen having boiling point 90 K.

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