Do q 3 all parts

 3.  The liquid air has three components  X Y and Z whose boiling points are:- - $186°C, -183°C and -196°C$ respectively. When liquid air is fed into a tall fractional distillation column from near it's bottom and warmed up slowly :

1.    Which component will be collected from near the bottom of the fractional distillation column ? Why ?

II.   Which component will be collected from the top part of the fractional distillation column? Why?

III.  Which component will be collected from the middle part of the fractional distillation column ? Why?

IV.  What could the component X. Y and Z .