Dark mode

Redox and electrochemistry — Question 13

Original QCE Vault practice · 1 mark

Q13 · Practice questionSimple familiar1 mark

QUESTION 13

The standard reduction potentials of

A g^{+} / A g

and

C u^{2 +} / C u

are +0.80 V and +0.34 V. The standard cell potential of their spontaneous galvanic cell is

(A)

−1.14 V

(B)

−0.46 V

(C)

+0.46 V

(D)

+1.14 V

ABCD

Question linkSyllabus coverage

Related questions

Q1 · 2025 QCAA · Paper 1 · 1 mark
QUESTION 1 Which species is produced at the cathode during the electrolysis of an aqueous copper sulfate (CuSO4) solution using platinum electrodes? (A) Cu(s) (B) H2(g) (C) O2(g) (D) SO2(aq)
Redox and electrochemistry
Q6 · 2025 QCAA · Paper 1 · 1 mark
QUESTION 6 Determine which statement is true for an electrolytic cell used for electroplating. (A) The redox reaction is spontaneous. (B) The anode is the object to be plated. (C) The cathode is reduced to replenish the metal ions. (D) The electrolyte contains the metal ions that plate the object.
Redox and electrochemistry
Q10 · 2025 QCAA · Paper 1 · 1 mark
QUESTION 10 Methane (CH4) reacts with water to produce carbon monoxide (CO) and hydrogen (H2). CH4(g) + H2O(g) → CO(g) + 3H2(g) Determine the reducing agent. (A) H in H2 (B) C in CH4 (C) H in CH4 (D) O in H2O
Redox and electrochemistry
Q15 · 2025 QCAA · Paper 1 · 1 mark
QUESTIONS 15–16 Questions 15–16 refer to the galvanic cell shown. Zn(s) | Zn2+(aq) || Ag+(aq) | Ag(s) V Salt bridge Zn Ag QUESTION 15 Calculate the cell potential for the galvanic cell under standard conditions. (A) +0.04 V (B) +0.84 V (C) +1.56 V (D) +2.36 V
Redox and electrochemistry