Q3 · 2025 · Paper 1Unclassified1 mark
QUESTION 3
Identify the amphiprotic species.
+(aq)
(A) NH4
(B) H3O+(aq) 2−(aq)
(C) CO3 −(aq)
(D) HCO3
WORKED SOLUTION
1 markAnswer D
OFFICIAL ANSWERD
QCAA awards 1 mark for selecting option D.
Correct option from the official QCAA answer key.