Ionic EquilibriumHard

Question

The species present in solution when CO₂ is dissolved in water are

Options

A.CO₂, H₂CO₃, HCO₃^-, CO₃^2-

B.H₂CO₃, CO₃^2-

C.CO₃^2-, HCO₃^-

D.CO₂, H₂CO₃

Solution

CO₂ ⇋ H₂CO₃ ⇋ H⁺ + HCO₃^- ⇋ H⁺ + CO₃^-2

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