A) - 212.27 kJ \[mo{{l}^{-1}}\]
B) - 212.27 J \[mo{{l}^{-1}}\]
C) + 212.27kJ \[mo{{l}^{-1}}\]
D) + 212.27V
Correct Answer: A
Solution :
For a glavanic cell \[Zn+C{{u}^{2+}}\xrightarrow{{}}Cu+Z{{n}^{2+}}\] \[\Delta {{G}^{o}}=-nF{{E}^{o}}\] \[n=2,\,{{E}^{o}}=1.1\,V,F=96500\,\,C\,mo{{l}^{-1}}\] \[\Delta {{G}^{o}}=-2\times 96500\times 1.1\] \[=-212300\,\,J\,mo{{l}^{-1}}\] \[=-212.3\,\,J\,mo{{l}^{-1}}\]
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