Question: Peroxyacetic acid CH3COOH is a weaker acid than acetic acid; its Ka is 6.3 x 10-9 (pKa 8.2) versus 1.8 x 10-5 for acetic acid

Peroxyacetic acid CH3COOH is a weaker acid than acetic acid; its Ka is 6.3 x 10-9 (pKa 8.2) versus 1.8 x 10-5 for acetic acid (pKa 4.7). Why are peroxy acids weaker than carboxylic acids?

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