below Ba2+ + 2e --- Ba(s) E° = - 2.91 v Mg2+ + 2e --- Mg(s) E° = -2.38 v Fe2+ + 2e --- Fe(s) E° = -0.44 v 2 H+ + 2e --- H2(g) E° = 0.00 v Cu2+ + 2e --- Cu(s) E° = + 0.34 v l a) With these metals (in contact with their 1 M solutions) propose the cell that would develop the highest potential b) What would be the cathode in the battery proposed by you? c) From which of these electrodes do electrons leave to reach the other?
below Ba2+ + 2e --- Ba(s) E° = - 2.91 v Mg2+ + 2e --- Mg(s) E° = -2.38 v Fe2+ + 2e --- Fe(s) E° = -0.44 v 2 H+ + 2e --- H2(g) E° = 0.00 v Cu2+ + 2e --- Cu(s) E° = + 0.34 v l a) With these metals (in contact with their 1 M solutions) propose the cell that would develop the highest potential b) What would be the cathode in the battery proposed by you? c) From which of these electrodes do electrons leave to reach the other?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 100QAP: Consider the following standard reduction potentials:...
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The values of the standard reduction potentials of different metals are given below
Ba2+ + 2e --- Ba(s) E° = - 2.91 v
Mg2+ + 2e --- Mg(s) E° = -2.38 v
Fe2+ + 2e --- Fe(s) E° = -0.44 v
2 H+ + 2e --- H2(g) E° = 0.00 v
Cu2+ + 2e --- Cu(s) E° = + 0.34 v l
a) With these metals (in contact with their 1 M solutions) propose the cell that would develop the highest potential
b) What would be the cathode in the battery proposed by you?
c) From which of these electrodes do electrons leave to reach the other?
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