Given: Cu2+(aq) + 2e– ---> Cu(s) E° = +0.34 V Al3+(aq) + 3e– ---> Al(s) E° = –1.66 V Na+(aq) + e– ---> Na(s) E° = –2.71 V which metal will displace Cu2+ more readily or spontaneously? Why?

Given: Cu2+(aq) + 2e– ---> Cu(s) E° = +0.34 V Al3+(aq) + 3e– ---> Al(s) E° = –1.66 V Na+(aq) + e– ---> Na(s) E° = –2.71 V which metal will displace Cu2+ more readily or spontaneously? Why?

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter23: Potentiometry

Section: Chapter Questions

Problem 23.23QAP: The following cell was found to have a potential of —0.492 V: Ag|AgCl(sat’d)||HA(0.200 M),NaA(0.300...

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Question

Given:

Cu2+(aq) + 2e– ---> Cu(s) E° = +0.34 V

Al3+(aq) + 3e– ---> Al(s) E° = –1.66 V

Na+(aq) + e– ---> Na(s) E° = –2.71 V

which metal will displace Cu2+ more readily or spontaneously? Why?

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