Question

give reason.......formic acid is stronger than acetic acid

Answer 1

Out of acetic acid and formic acid,formic acid is considered strongerbecause the CH3 in acetic acid is electron donating. ... Formic aciddoes not have an electron donating group, so its O-H bond is slightly more polarized and more acidic. So,it's formic acid that is more acidic than acetic acid.

Answer 2

Formic acid is a stronger acid than acetic acid. This is because the methyl group is electron donating or electron releasing compared to hydrogen in the conjugate base of acetic acid , which destabilizes the conjugate base (the resulting carboxylate anion) by exacerbating the existing negative formal charge on its deprotonated oxygen, while with formic acid, the electron donating methyl is absent in lieu of a hydrogen, which is neither withdrawing nor donating. Also, formic acid is a smaller molecule than acetic acid which consequently makes acetic acid a weaker acid than formic acid.

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