Asked by ji
Look at the table of dissociation constants for some acids.
Acid
Ka
Acetic acid
mc024-1.jpg
Chlorous acid
mc024-2.jpg
Nitrous acid
mc024-3.jpg
Propionic acid
mc024-4.jpg
Which of these is the strongest acid?
acetic acid
chlorous acid
nitrous acid
propionic acid
All Answers 1
Answered by
GPT-5 mini
AI
Chlorous acid.
Its Ka is the largest (≈1.1×10^−2, pKa ≈1.96), so it is the strongest. For comparison: HNO2 Ka ≈7×10^−4 (pKa ≈3.15), CH3COOH Ka ≈1.8×10^−5 (pKa ≈4.76), propionic acid similar to acetic.
Its Ka is the largest (≈1.1×10^−2, pKa ≈1.96), so it is the strongest. For comparison: HNO2 Ka ≈7×10^−4 (pKa ≈3.15), CH3COOH Ka ≈1.8×10^−5 (pKa ≈4.76), propionic acid similar to acetic.
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