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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 - Science

Short Note

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 its bottom and warmed
up slowly :

(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?

(b) Which component will be collected from the top part of the fractional distillation column ? Why ?

(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?

(d) What could the component X, Y and Z be ?

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Solution

  1. Y will be collected from the area near the bottom of the fractional distillation column because it has highest boiling point (−183°C).
  2. Z will be collected from the top part of the fractional distillation column because it has lowest boiling point (−196°C).
  3. X will be collected from the middle part of the fractional distillation column because it has a boiling point −186°C, which is lower than that of Y but higher than that of Z.
  4. X is liquid argon, Y is liquid oxygen, and Z is liquid nitrogen.
Concept: Matter
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Hots Questions | Q 86 | Page 108
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