Charges on Amines

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Tasnim Sazzad 4B
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Charges on Amines

Postby Tasnim Sazzad 4B » Sun Mar 13, 2016 12:07 pm

Is there supposed to be a charge on amines? Because wouldn't a tertiary amine have one more bond the the first three types?

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Re: Charges on Amines

Postby Chem_Mod » Sun Mar 13, 2016 5:07 pm

To be neutral, nitrogen should have three bonds and one lone pair. A primary amine has two bonds to hydrogens, one bond to an alkyl group, and one lone pair (example: . A secondary amine has one bond to hydrogen, two bonds to alkyl groups, and one lone pair (example: . A tertiary amine has three bonds to alkyl groups and one lone pair (example: . In all of these, the nitrogen has three bonds and one lone pair, giving it a neutral charge.

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