Q16 · 2025 · Paper 1Unclassified1 mark
QUESTIONS 15–16 Questions 15–16 refer to the galvanic cell shown.
QUESTION 16
Deduce the reaction occurring at the anode for the galvanic cell.
(A) Zn2+(aq) + 2e− ⇌ Zn(s)
(B) Zn(s) ⇌ Zn2+(aq) + 2e−
(C) Ag(s) ⇌ Ag+(aq) + e−
(D) Ag+(aq) + e− ⇌ Ag(s)
WORKED SOLUTION
1 markAnswer B
OFFICIAL ANSWERB
QCAA awards 1 mark for selecting option B.
Correct option from the official QCAA answer key.