What affects pKa?

What affects pKa?

The lower the pKa, the stronger the acid. Several structural elements of a molecule can affect pKa including: Resonance – If a molecule has resonance, it will have a lower pKa compared to a molecule that does not. Atom Size – As the atom size increases down a column on the periodic table, the acidity increases.

Is ethanol an acid or base?

Still, ethanol has the ability to act as an acid because of the ability to donate it's hydroxyl proton. However, aqueous solutions of ethanol are slightly basic. This is is because the oxygen in ethanol has lone electron pairs capable of accepting protons, and thus ethanol can act as a weak base.

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