Which reaction occurs at a saturated calomel electrode (SCE)a. H+(aq) + e- --------> 1/2H2(g)b. AgCl(s) + e- -------> Ag(s) + Cl-(aq)c. Fe3+(aq) + e- -------> Fe2+ (s)d. CuCl2(s) + 2e- -------> 2Cu(s) + 2Cl- (aq)e. Hg2Cl2 (s) + 2e- ---------> 2Hg(l) + 2Cl-(aq)

Which reaction occurs at a saturated calomel electrode (SCE)a. H+(aq) + e- --------> 1/2H2(g)b. AgCl(s) + e- -------> Ag(s) + Cl-(aq)c. Fe3+(aq) + e- -------> Fe2+ (s)d. CuCl2(s) + 2e- -------> 2Cu(s) + 2Cl- (aq)e. Hg2Cl2 (s) + 2e- ---------> 2Hg(l) + 2Cl-(aq)

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.23QAP

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Question

Which reaction occurs at a saturated calomel electrode (SCE)
a. H+(aq) + e- --------> 1/2H2(g)
b. AgCl(s) + e- -------> Ag(s) + Cl-(aq)
c. Fe3+(aq) + e- -------> Fe2+ (s)
d. CuCl2(s) + 2e- -------> 2Cu(s) + 2Cl- (aq)
e. Hg2Cl2 (s) + 2e- ---------> 2Hg(l) + 2Cl-(aq)

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