Two half cells have reduction potentials -0.76 V and - 0.13 V respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Question

Two half cells have reduction potentials -0.76 V and - 0.13 V respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct? (A) Electrode of half-cell potential -0.76 V acts as cathode (B) Electrode of half-cell potential -0.76 V acts as anode (C) Electrode of half-cell potential -0.13 V acts as anode (D) Electrode of half-cell potential - 0.76 V acts as positive electrode and -0.13 V as negative electrode

Tardigrade Admin · Accepted Answer

According to the electrochemical series, the electrode with high reduction potential will act as a cathode, and the electrode with more negative reduction potential acts as the anode.

Q. Two half cells have reduction potentials $- 0.76 V$ and $- 0.13 V$ respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Electrode of half-cell potential $- 0.76 V$ acts as cathode

Electrode of half-cell potential $- 0.76 V$ acts as anode

Electrode of half-cell potential $- 0.13 V$ acts as anode

Electrode of half-cell potential $- 0.76 V$ acts as positive electrode and $- 0.13 V$ as negative electrode

According to the electrochemical series, the electrode with high reduction potential will act as a cathode, and the electrode with more negative reduction potential acts as the anode.

Q. Two half cells have reduction potentials −0.76V and −0.13V respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Electrode of half-cell potential −0.76V acts as cathode

Electrode of half-cell potential −0.76V acts as anode

Electrode of half-cell potential −0.13V acts as anode

Electrode of half-cell potential −0.76V acts as positive electrode and −0.13V as negative electrode

According to the electrochemical series, the electrode with high reduction potential will act as a cathode, and the electrode with more negative reduction potential acts as the anode.

Q. Two half cells have reduction potentials $- 0.76 V$ and $- 0.13 V$ respectively. A galvanic cell is made from these two half cells. Which of the following statements is correct?

Electrode of half-cell potential $- 0.76 V$ acts as cathode

Electrode of half-cell potential $- 0.76 V$ acts as anode

Electrode of half-cell potential $- 0.13 V$ acts as anode

Electrode of half-cell potential $- 0.76 V$ acts as positive electrode and $- 0.13 V$ as negative electrode