Using the following data,determine
for the electrochemical cell constructed using the reaction of zinc and chromate ions under basic conditions.Unbalanced: Zn(s) + 2 CrO42-(aq) Zn(OH) 2(s) + Cr(OH) 3(s)
Half-reaction Standard reduction potential
Zn(OH) 2(s) + 2 e- Zn(s) + 2 OH-(aq) -1.25
CrO42-(aq) + 4 H2O(
) + 3 e- Cr(OH) 3(s) + 5 OH-(aq) -0.13
A) "-3.49 V"
B) "+3.49 V"
C) "+1.12 V"
D) "-1.12 V"
E) "+1.38 V"
Correct Answer:
Verified
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