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Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
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Which statements are TRUE for the titration of Fe with Ce*" to give Fe" and Cet
1. Before the equivalence point, the indicator etectrode potential is calculated using the Fe/Fe half-reaction because both (Fe") and (Fe) are known.
2. At the equivalence point. the indicator electrode potential is the average of E for the Fe"/Fe?" half-reaction and the Ce**/Ce* haif reaction.
3. After the equivalence point, the indicator electrode potential is calculated using the Cet-/Ce- half-reaction because both [Ce*"l and (Ce") are known
None of the statements are true
2 and 3
O 1,2 and 3
O 1 and 3
O 1 and 2
Transcribed Image Text:Which statements are TRUE for the titration of Fe with Ce*" to give Fe" and Cet 1. Before the equivalence point, the indicator etectrode potential is calculated using the Fe/Fe half-reaction because both (Fe") and (Fe) are known. 2. At the equivalence point. the indicator electrode potential is the average of E for the Fe"/Fe?" half-reaction and the Ce**/Ce* haif reaction. 3. After the equivalence point, the indicator electrode potential is calculated using the Cet-/Ce- half-reaction because both [Ce*"l and (Ce") are known None of the statements are true 2 and 3 O 1,2 and 3 O 1 and 3 O 1 and 2
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