Chemistry, asked by socialllll9592, 1 year ago

Why n pentane has higher boiling point than isopentane

Answers

Answered by ansistkharms
18

The structures of n-pentane andisopentane are: As we can see that branching is present in isopentane. This decreases the surface area of molecule and makes it compact which results in decrease of intermolecular forces between different molecules. ... Hence it has higher melting point than isopentane.

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Answered by kobenhavn
14

n pentane has higher boiling point than isopentane because of larger surface area

Explanation:

Boiling point is the temperature at which vapor pressure of the liquid becomes equal to atmospheric pressure. It is the temperature at which liquid state gets converted to gaseous state.

n-pentane being linear in nature has more surface area and thus the molecules are more strongly bonded to each other. Whereas isopentane being branched in nature has lesser surface area and thus less heat is required to generate enough vapours.

Learn more about boiling point of alkanes

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