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Caffeine is a polar molecule. One hint is because it dissolves in water - although that fact does not mean absolutely it is polar. The two carbonyl groups greatly add to the molecule's polarity along with the lone pair of electrons on the nitrogens.

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15y ago

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Is caffeine polar nonpolar or ionic Why do you conclude this way?

In fact you can call caffeine both polar and nonpolar, as caffeine (or 1,3,7-trimethylxanthine) consist of both polar and nonpolar components.. On the internet I've seen a lot of people using caffeines ability to disolve in water as an argument for it to be polar.. This is not a good argument though, as caffeine in fact disolves in oils too due to the nonpolarity which I mentioned..


Why does caffeine prefer organic solvent to water?

Caffeine prefers organic solvents to water due to its molecular structure, which includes both polar and nonpolar characteristics. While it has polar functional groups that can interact with water, its overall hydrophobic regions make it more soluble in nonpolar organic solvents. This solubility is driven by the principle of "like dissolves like," where nonpolar substances dissolve better in nonpolar solvents. Consequently, organic solvents facilitate better extraction and solubility of caffeine compared to water.


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