Talk:Carboxylic acid

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Carboxyl group redirects here. Rated "high" as high school/SAT biology content. The article needs a section on biological context, e.g. carboxyl groups on amino acids etc. - tameeria 05:26, 19 February 2007 (UTC)

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Carboxyl group redirects here. Rated "high" as high school/SAT biology content. The article needs a section on biological context, e.g. carboxyl groups on amino acids etc. - tameeria 05:26, 19 February 2007 (UTC)

what is sodium benzoates lewis structure?

Why are you asking something like that on here? This isn't a help page. I don't mean to be rude, but there are better places to post questions like that.

Regarding the flag on the main page. Unless you are planning on having a section on carboxylic acid derivatives (which is not a bad idea), I don't think merging the carbonyl article with this one is a good idea. What about aldehydes, esters, ketones, etc.? Dawhitfield 00:24, 7 August 2005 (UTC)

I think it's about merging with carboxyl, not carbonyl.

[edit] Carbonic acid?

Is carbonic acid (HOCOOH) a carboxylic acid? --Damian Yerrick () 02:38, 15 December 2006 (UTC)

[edit] Polarity

The article says: "Carboxylic acids are polar", and I can understand why, but why is it on certain molecules, adding a carboxylic acid reduces the hydrophilicity / increases the lipophilicity, e.g:

5-hydroxy-tryptamine is fairly polar and can't cross the BBB, and 5-hydroxy-α-carboxyl-tryptamine (5-OH-tryptophan) is fairly non-polar and can cross the BBB.

What is the cause of this? --Mark PEA 19:48, 26 March 2007 (UTC)