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Q.

The liquid air has three components X, Y and Z whose boiling points are –186°C183°Cand196°C respectively, when liquid air is fed into a tall fractional distillation column from near its bottom and warmed up slowly. Which of the components will be collected from near the bottom of the fractional distillation column ?

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a

Y

b

X

c

All

d

Z

answer is B.

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Detailed Solution

Lower B.P it collected at the top of the fractional distillation column.

In this mixture we have totally 3 components out of three Z has lower boiling point it moves top. Y has highest boiling point, so it will be collected at the bottom of the distillation funnel.

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