21.29 Consider the following voltaic cell: Voltmeter Fe Ni Salt bridge 1'M Fe2+ (a) In which direction do electrons flow in the external circuit? (b) In which half-cell does oxidation occur? (c) In which half-cell do electrons enter the cell? (d) At which electrode are electrons consumed? (e) Which electrode is negatively charged? (f) Which electrode decreases in mass during cell operation? (g) Suggest a solution for the cathode electrolyte. (h) Suggest a pair of ions for the salt bridge.

21.29 Consider the following voltaic cell: Voltmeter Fe Ni Salt bridge 1'M Fe2+ (a) In which direction do electrons flow in the external circuit? (b) In which half-cell does oxidation occur? (c) In which half-cell do electrons enter the cell? (d) At which electrode are electrons consumed? (e) Which electrode is negatively charged? (f) Which electrode decreases in mass during cell operation? (g) Suggest a solution for the cathode electrolyte. (h) Suggest a pair of ions for the salt bridge.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

21.29 Consider the following voltaic cell:
Voltmeter
Fe
Ni
Salt bridge
1'M Fe2+
(a) In which direction do electrons flow in the external circuit?
(b) In which half-cell does oxidation occur?
(c) In which half-cell do electrons enter the cell?
(d) At which electrode are electrons consumed?
(e) Which electrode is negatively charged?
(f) Which electrode decreases in mass during cell operation?
(g) Suggest a solứtion for the cathode electrolyte.
(h) Suggest a pair of ions for the salt bridge.
(i) For which electrode could you use an inactive material?
(i) In which direction do anions within the salt bridge move to
maintain charge neutrality?
(k) Write balanced half-reactions and an overall cell reaction.

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