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Equilibrium
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11/10/2021 3:44 pm
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The following equilibrium is established when hydrogen chloride is dissolved in acetic acid.
HCl + CH3COOH ⇌ Cl- + CH3COOH2+
The set that characterises the conjugate acid-base pairs is
(a) (HCl, CH3COOH) and (CH3COOH2+, Cl-)
(b) (HCl, CH3COOH2+) and (CH3COOH, Cl-)
(c) (CH3COOH2+, HCl) and (Cl-, CH3COOH)
(d) (HCl, Cl-) and (CH3COOH2+, CH3COOH)
1 Answer
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11/10/2021 3:48 pm
Correct answer: (d) (HCl, Cl-) and (CH3COOH2+, CH3COOH)
Explanation:
HCl is stronger acid than CH3COOH and Cl- is a stronger base than CH3COOH2+ and is the conjugate base of HCl.
HCl + CH3COOH ⇌ Cl- + CH3COOH2+
acid1 base2 base1 acid2