A) In the upper-most portion
B) In the lower-most portion
C) In the middle portion
D) Cannot be said
Correct Answer: B
Solution :
In fractional distillation of petroleum, the vapours with the highest boiling point cannot move up in the fractionating column, (as they have low vapour pressure). So, the liquids with high boiling points condense in the lowest (tray) portion of the fractionating tower.You need to login to perform this action.
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