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The given diagram represents a fractiona...

The given diagram represents a fractionating column where petroleum is separated into various fractions. Arrange the fractions X, Y, Z in order of decreasing boiling point range and identify the fraction that condenses first.

A

`Z gt Y gt X , X`

B

`Z gt Y gt X , Z`

C

`X gt Y gt Z , Y`

D

`Y gt Z gt X , Z`

Text Solution

Verified by Experts

The correct Answer is:
B
The liquid that has the lowest boiling point changes into vapour first and rises upwards and the fraction with the highest boiling point condenses first.
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