Electrochemistry and Redox Systems
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A-Level Chemistry Q & A Practice
1 of 5 free exam-style exercises in this topic
Calculate E°cell and identify the spontaneous reaction.
half-equation
E° / V
Cu²⁺+2e⁻→Cu
+0.34
Zn²⁺+2e⁻→Zn
−0.76
Zn anode: oxidation
Cu cathode: reduction
salt bridge
Select one option.
A
+1.10 V; Cu oxidised
B
+0.42 V; Zn oxidised
C
−0.42 V; Cu oxidised
D
+1.10 V; Zn oxidised
E
−1.10 V; Cu oxidised
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