Answer to Question #119534 in Inorganic Chemistry for Isha singh

Question #119534
Consider the following half reactions and their standard reduction potential values to answer the following questions.

Cu2+ (aq) + e- Cu+ (aq)​E° = 0.15 V
Br2 (l) + 2e- 2Br- (aq) ​E° = 1.08 V

i) State which reaction occurs at the anode and which at the cathode.​ [2 marks]
ii) Write the overall cell reaction.​ [2 marks]
iii) Calculate the value of E°cell.​ [2 marks]
iv) Calculate the value ΔG°​ [2 marks]
v) What is the value of Kc at 25°C?
1
Expert's answer
2020-06-04T10:31:22-0400

i) 1 - cathode, 2 - anode

ii) 2Cu+ + Br2 (l) =  2Br- (aq) + 2Cu2+ (aq)

iii) 0,93

iv) -0,93

v) 1,46


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