Q8 · 2022 · Paper 1Unclassified1 mark
QUESTION 8
Predict how the system shown will respond when a small amount of aqueous sodium hydroxide is added.
+
-
CH COOH(aq) + H O(l)
CH COO (aq) + H O (aq) ⇌
3
2
3
3
(A) Equilibrium shifts to the left and the pH decreases.
(B) Equilibrium shifts to the right and the pH increases.
(C) Equilibrium shifts to the left and the pH remains the same.
(D) Equilibrium shifts to the right and the pH remains the same.
WORKED SOLUTION
1 markAnswer D
OFFICIAL ANSWERD
QCAA awards 1 mark for selecting option D.
Correct option from the official QCAA answer key.