Chemistry - GOC Question with Solution | TestHub
ChemistryGOCAcid BaseMedium2 minQB
ChemistryMediumsingle choice
Predict the direction of the following equilibrium and the approximate value of Keq.
CH₃COOH + CO₃²- CH₃COO⁻ + HCO₃⁻ (pKa : CH₃COOH ≈ 5, HCO₃⁻ = 10.33)
Options:
Answer:
C
Solution:
The acid on the left is CH₃COOH (pKa ≈ 5) and the acid on the right is HCO₃⁻ (pKa 10.33). The weaker acid is on the right, so the equilibrium favours the products. Keq ≈ 10¹⁰·³³⁻⁵ = 10⁵·³³·
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Acid Base
⏱ 2mℹ️ Source: QB
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