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Basicity of organic compounds

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Hello,

I would really appreciate your help with following questing. In a test in organic chemistry I was asked to classify these organic compounds in order of increasing basicity in aqueous solution:

1. 4-trifluormethylaniline

2. Tributylamine

3. Methylamine

4. Di(dodec-1-yl)amine

 

I think that the order of 1-3 is correct (3 – most alkaline), but I’m really not sure with 4. This compound should be lipophilic (surfactant maybe?) and I don’t know how it will react in the aqueous solution.

I already asked my friends, but we are all just biology students and thus we have a little problem with that. :)

 

Thanks for help and sorry for mistakes, I’m not native speaker.

Edited by Jey-Jey

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