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Author Topic: Boiling point  (Read 904 times)

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Guillem_dlc

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Boiling point
« on: April 12, 2018, 02:19:50 AM »

Hello,

Does the boiling point depend on the electrons?

Thanks
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Borek

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Re: Boiling point
« Reply #1 on: April 12, 2018, 03:05:41 AM »

Yes. No. Depends.

Question is way too ambiguous to be answered, please elaborate on what you mean.
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pgk

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Re: Boiling point
« Reply #2 on: April 17, 2018, 04:58:04 AM »

Boiling point mainly depends on the size of the molecule (but not, exclusively) and thus, one may say: more electrons → larger molecule → higher boiling point.
However, many other factors play an important role therein, such as:
- shape (branched or spherical molecules have lower boiling point than their isomers.)
- polarity increases the boiling point.
- hydrogen bonding increases the boiling point.
- large heteroatoms such as halogens affect the molecular shape to spherical-like and thus, they significantly decrease the boiling point, in comparison to compounds of the same molecular mass.
- etc…
« Last Edit: April 17, 2018, 05:13:36 AM by pgk »
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Mitch

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Re: Boiling point
« Reply #3 on: April 18, 2018, 09:31:05 AM »

The boiling point isn't affected by free electrons. It will depend on valence electrons and several other parameters.
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