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chemisrty

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Rank following acids frommost to least acidic:
hydrocyanic acid (HCN) Ka = 6.2 × 10−10
hypoiodous acid (HOI) Ka = 2 × 10−11
chlorous acid (HClO2) Ka = 1.2 × 10−2
acetic acid (CH3COOH) Ka = 1.8 × 10−5
1. HOI > HClO2 > CH3COOH > HCN
2. CH3COOH > HCN > HOI > HClO2
3. HClO2 > CH3COOH > HCN > HOI
4. HCN > HOI > HClO2 > CH3COOH

Is the answer #3?

  • chemisrty -

    Yes. Very good.

  • chemisrty -

    Batara!!!

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