FeaturesHow It WorksFor ParentsPricingContactLog inStart free — no credit card needed →

Chemistry · Unit 3 · Chemical equilibrium systems · Chemical equilibrium

Determine the formula of the conjugate acid (or base) of any Brønsted-Lowry base (or acid).

Practise this objective

AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.

Start free practice

Practice questions for this objective

Full questions, answers and worked solutions unlock when you start a free practice session.

Question 1

Determine the formula of the conjugate acid of the bicarbonate ion, $\text{HCO}_3^{-}$.

Worked answer
🔒 Start free to see full answer
Question 2

A student is investigating the equilibrium of hydrogen sulfide (H₂S) in aqueous solution. The dissociation reactions and equilibrium constants are shown in the table. Determine the strongest Brønsted-Lowry base and its conjugate acid. Explain your reasoning.

Worked answer
🔒 Start free to see full answer
Question 3

Determine the conjugate base of the Brønsted-Lowry acid HCO₃⁻.

Worked answer
🔒 Start free to see full answer
Unlock all 3 answers — free

More in Chemical equilibrium

← Previous
Determine the extent of a reaction from the magnitude of the equilibrium constant (Kc).
Next →
Discriminate between open or closed chemical systems.
All LOs in Chemical equilibriumBack to full Chemistry syllabus