In fractional distillation of petroleum, the vapours with highest boiling point:

condense in uppermost portion

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condense in lowermost portion

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condense in middle portion

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do not condense

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Solution

The correct option is A condense in lowermost portion

In fractional distillation of petroleum, the vapours with highest boiling point condense in lowermost portion.As the vapors of highest boiling point evaporates later and condenses later at lower portion.
Hence option B is correct.

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Similar questions

Q. Mark the correct sequence of substances obtained during fractional distillation of petroleum in ascending order of their boiling points.

3 moles of A ( $P_{A}^{0}$ =200mm of Hg) and 2 moles of B( $P_{B}^{0}$ =300mm of Hg) are mixed at a fixed temperature. The vapours above the solution are collected and condensed. Than:

Q. Fill in the blanks with appropriate words selected from those given below.

heights, condense, lower, bitumen, hydrocarbons,
high, fractional distillation, cool, fractionating column,
diesel oil, petrol, refinery, higher up, lower down

(a) Crude oil is made up of many different ___________. In an oil ___________, the hydrocarbons are separated into different products by a process called _____________ ___________. The crude oil is heated to a high temperature and passed into the____________ __________. As the vapours rise towards the top the different hydrocarbons ___________ at different ___________ and are withdrawn separately.
(b) Substances with _____________ boiling points condense first, in the column. Substances with ___________ boiling points condense ______________. Light products like ___________ are withdrawn from near the top of the column. Heavier products like ___________ and fuel oil are taken out lower down. The heaviest hydrocarbons, such as __________ are left at the bottom.

Q. During distillation, condensation is followed by boiling.

In the purification of metals, during distillation, metal is heated in a retort and its vapours are separately condensed in a receiver.

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In fractional distillation of petroleum, the vapours with highest boiling point:

The correct option is A condense in lowermost portion In fractional distillation of petroleum, the vapours with highest boiling point condense in lowermost portion.As the vapors of highest boiling point evaporates later and condenses later at lower portion.Hence option B is correct.

The correct option is A condense in lowermost portion

In fractional distillation of petroleum, the vapours with highest boiling point condense in lowermost portion.As the vapors of highest boiling point evaporates later and condenses later at lower portion.
Hence option B is correct.