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chemistry AS

Hi,
How would you know whether a molecule is a permanent dipole induced dipole and permanent dipole permanent dipole interactions??
Thanks ,

Reply 1

Toasticide

Everything has induced dipole-induced dipole interactions (commonly known as Van Der walls, also its easier to say :P). It's just cause the way electrons rotate means they may be at certain positions at certain times allowing VERY weak interactions between molecules.

Very electronegative molecules (look at the pauling scale on the periodic table for details) or elements like the halogens have a feature that allows them to be more likely to draw in or lose electrons despite being stable. typical examples include anything with chlorine (HCL or haloalkanes)

Basically, everything has the first one you said, the second one is in addition to compounds containing electronegative (or electrpositive) elements.
These are more important in your course as in organic chemistry you will do mechanisms which is how an equation works and you put + or - then a lower case delta to show these, they accept electrons from something else is it's a +. Your teacher will explain in more detail though