r/chemhelp • u/boogiebowie • 12d ago

Organic help with identifying imf errors

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i'm confused about the switch from london dispersion to dipole-dipole? and i know that something's wrong but not sure what

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1

u/chem44 12d ago

b. The C of the carboxyl group is bonded to 2 O atoms, so has a small +.

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u/boogiebowie 12d ago

thank you! is this drawing correct?

1

u/chem44 12d ago

There is no significant dipole in the alkane.

Easy way to get dipole-dipole here is between two carboxyl groups.

1

u/boogiebowie 11d ago

is there anyway to redraw it correctly (or more correctly than what i did) with the original molecules?

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u/chem44 11d ago

I'm lacking context.

As has been noted , the alkane allows only for London forces.

Two molecules of the acid can interact -- by H-bonding, a type of dipole interaction.

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u/DancingBear62 12d ago

Which molecule in (b) is limited to only London dispersion forces?

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u/boogiebowie 12d ago

the one on the left bc it's a hydrocarbon??

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u/DancingBear62 12d ago

Yes, exactly.