Solve this: 15 Calculate the standard cell potential of the Galvanic cell in which the following reaction takes - Chemistry - Electrochemistry

Question

Solve this:
15   C a l c u l a t e   t h e   s tan d a r d
  c e l l   p o t e n t i a l   o f   t h e
  G a l v a n i c   c e l l   i n   w h i c h
  t h e   f o l l o w i n g   r e a c t i o n  
t a k e s           p l a c e  
                 
    F e 2 + a q + A g + a q → F e 3 + a q +  
A g ( s )   C a l c u l a t e   t h e   ∆ r G
0   a n d   e q u i l i b r i u m   c o n s tan t
  o f   t h e   r e a c t i o n   a l s o
  ( E O A g + 7 / A g = 0 08 V   E 0 F e 3 + / F e 2 + =
0 77 V )

Rahul Yogi · Accepted Answer

Dear student,
Ecell = Ecathode - Eanode = 0 88-0
77 = 0 11

ΔG0 = -nFE0 = -96500 x 0 11 = -10 615
kJ
ΔG0 = -RTlnK

Putting values we get K = 72 5

Hope it helps
Regards