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Difference between Mixtures and Compounds

Pentane and h...

Question

Pentane and heptane are liquids and can be separated by method.

A

Miscible, Seperating funnel

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B

Miscible, Distillation

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C

Immiscible, Seperating funnel

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D

Immiscible, distillation

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Solution

The correct option is B Miscible, Distillation
Pentane and heptane are miscible liquids. They can be separated by distillation method. Distillation is used for the separation of components of a mixture containing two miscible liquids that boil without decomposition and have sufficient difference in their boiling points.

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Q. A/an can be separated by physical methods whereas a/an can only be separated by chemical methods.

Q. Calculate vapour pressure of a mixture containing

252 g

n -

pentane (MW=72) and

1400 g

n -

heptane (MW=100) at

20^{o} C

. The vapour pressure of

n -

= 420

H g

n -

= 36

H g

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