Q Calculate ∆G for the galvanic cell : 2Cr (s) + 3Cd+2 (aq) → 2Cr+3 (aq) + - Chemistry - Electrochemistry

Question

Q Calculate ∆ G ° for the galvanic cell :

2 C r   ( s )   +   3 C d + 2   ( a q )  
→   2 C r + 3   ( a q )   +   3 C d
  ( s ) E C r + 3 / C r 0   =   -   0 74  
V ,   E C d + 2 / C d 0   =   -   0 40  
V
(1) - 196 86 kJ/mol (2) - 98 43 kJ/mol
(3) - 65 62 kJ/mol (4) - 164 05 kJ/mol

Rati Singh · Accepted Answer

Kindly refer to the given link

https://www meritnation
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Q. Calculate ∆ G ° for the galvanic cell : 2 C r ( s ) + 3 C d + 2 ( a q ) → 2 C r + 3 ( a q ) + 3 C d ( s ) E C r + 3 / C r 0 = - 0 . 74 V , E C d + 2 / C d 0 = - 0 . 40 V (1) - 196.86 kJ/mol (2) - 98.43 kJ/mol (3) - 65.62 kJ/mol (4) - 164.05 kJ/mol

Q. Calculate $∆ G °$ for the galvanic cell :

$2 C r (s) + 3 C d + 2 (a q) \underset{}{\to} 2 C r^{+ 3} (a q) + 3 C d (s) E_{C r^{+ 3} / C r}^{0} = - 0.74 V, E_{C d^{+ 2} / C d}^{0} = - 0.40 V$
(1) - 196.86 kJ/mol (2) - 98.43 kJ/mol
(3) - 65.62 kJ/mol (4) - 164.05 kJ/mol