In HCl + H₂O → H₃O⁺ + Cl⁻, which is the acid and conjugate acid?
University of Ilorin CHM107 2026 past question
- HCl = acid, H₃O⁺ = conjugate acid
- HCl = conjugate acid, H₃O⁺ = acid
- H₂O = acid, Cl⁻ = conjugate acid
- H₂O = conjugate acid, H₃O⁺ = base
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