Question

In fractional distillation of petroleum, where do the vapours with highest boiling point condense?

(a) In the upper-most portion (b) In the lower-most portion

(c) In the middle portion (d) Cannot be said​

Answer 1

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A tall fractionating column is fitted above the mixture, with several condensers coming off at different heights. The column is hot at the bottom and cool at the top. Substances with high boiling points condense at the bottom and substances with lower boiling points condense on the way to the top.

Answer 2

Answer:

I don't understand

Explanation:

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