A cell is constructed of the following two half cells.

Ag+ + e⇌ Ag + 0.80 V Al3+ 3e ⇌ Al - 1.67V

What is E+ of the cell?

A: 2.47 V

B: 0.087 V

C: -0.87 V

D: 5.81 V

Please explain

Thanks

Question

20-11-2016
Chemistry

Answered

A cell is constructed of the following two half cells.

Ag+ + e⇌ Ag + 0.80 V Al3+ 3e ⇌ Al - 1.67V

What is E+ of the cell?

A: 2.47 V

B: 0.087 V

C: -0.87 V

D: 5.81 V

Please explain

Thanks

Verified Answer :

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I believe the correct answer from the choices listed above is option A. The E+ of the cell would be 2.47 V. E of the cell is given by the formula E(cathode) - E(anode) . So in this case the first half cell reaction is the reaction that takes place in the cathode and the second one takes place in the anode.

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A cell is constructed of the following two half cells.Ag+ + e⇌ Ag + 0.80 V Al3+ 3e ⇌ Al - 1.67VWhat is E+ of the cell?A: 2.47 VB: 0.087 VC: -0.87 VD: 5.81 VPlease explainThanks

Verified Answer :

Related Questions

A cell is constructed of the following two half cells.

Ag+ + e⇌ Ag + 0.80 V Al3+ 3e ⇌ Al - 1.67V

What is E+ of the cell?

A: 2.47 V

B: 0.087 V

C: -0.87 V

D: 5.81 V

Please explain

Thanks