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For the following reaction, choose the CORRECT statement Co(s) + Fe2+(aq) => Co2+(aq) + Fe(s) where Co(s) => Co2+(aq) + 2e- &  E°= +0.28V Fe2+(aq) + 2e- => Fe(s)  &  E°= -0.44V In order for the reaction to be spontaneous, the ratio of [Co2+] / [Fe+2] should be smaller than...?

For the following reaction, choose the CORRECT statement Co(s) + Fe2+(aq) => Co2+(aq) + Fe(s) where Co(s) => Co2+(aq) + 2e- &  E°= +0.28V Fe2+(aq) + 2e- => Fe(s)  &  E°= -0.44V In order for the reaction to be spontaneous, the ratio of [Co2+] / [Fe+2] should be smaller than...?

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.4QAP
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For the following reaction, choose the CORRECT statement

Co(s) + Fe2+(aq) => Co2+(aq) + Fe(s)

where

Co(s) => Co2+(aq) + 2e- &  E°= +0.28V

Fe2+(aq) + 2e- => Fe(s)  &  E°= -0.44V

In order for the reaction to be spontaneous, the ratio of [Co2+] / [Fe+2] should be smaller than...?

 

a.

 

9X10-5


 
b.

 

4X10-6


 
c.

 

3X10-2


 
d.

 

6X10-3


 
e.

 

1X10-4

 

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