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Chemistry
Which of the following will form a cell with the highest voltage?
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Q. Which of the following will form a cell with the highest voltage?
AMU
AMU 1996
A
$ 1M\,A{{g}^{+}},1M\,C{{o}^{2+}} $
B
$ 2M\,A{{g}^{+}},2M\,C{{o}^{2+}} $
C
$ 0.1M\,A{{g}^{+}},2M\,C{{o}^{2+}} $
D
$ 2M\,A{{g}^{+}},0.1\,M\,C{{o}^{2+}} $
Solution:
: $ E=E_{cell}^{o}+\frac{0.0591}{2}\log \frac{{{[Ag_{(aq)}^{+}]}^{2}}}{[Co_{(aq)}^{2+}]} $