Which one of the following mixtures can be completely separated into pure components by fractional distillation?

Benzene-toluene

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Water-ethyl alcohol

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Water-nitric acid

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Water-hydrochloric acid.

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Solution

The correct option is A
Benzene-toluene

Benzene-toluene mixture can be separated into pure components by fractional distillation.
The other 3 can be separated but not completely. Remember that fractional distillation depends on difference in boiling points of the liquids.

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Question 08.
Which of the following gives the correct increasing order of acid strength?
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Which one of the following mixtures can be completely separated into pure components by fractional distillation?

The correct option is A Benzene-toluene Benzene-toluene mixture can be separated into pure components by fractional distillation. The other 3 can be separated but not completely. Remember that fractional distillation depends on difference in boiling points of the liquids.

The correct option is A
Benzene-toluene

Benzene-toluene mixture can be separated into pure components by fractional distillation.
The other 3 can be separated but not completely. Remember that fractional distillation depends on difference in boiling points of the liquids.