3
Question
Fractional distillation involves :
Fractional distillation involves :
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Solution
The correct option is C both a and b
When vapours of a homegenous mixture are passed through the fractionating column, because of the repeated condensation and evaporation, the vapours of the liquid with the lower boiling point first pass out of the fractionating column. They are condensed and then collected in the receiver flask. The other liquid, with a slightly higher boiling point, can be collected similarly in another receiver flask.
Hence, option C is correct.
When vapours of a homegenous mixture are passed through the fractionating column, because of the repeated condensation and evaporation, the vapours of the liquid with the lower boiling point first pass out of the fractionating column. They are condensed and then collected in the receiver flask. The other liquid, with a slightly higher boiling point, can be collected similarly in another receiver flask.
Hence, option C is correct.
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