Based on the standard reduction potentials in the table above, what is the value of $$\(E^{\circ}\)$$ for a standard galvanic cell made with $$\(\mathrm{Ag} / \mathrm{Ag}^{+}\)$$and $$\(\mathrm{Cr} / \mathrm{Cr}^{3+}\)$$ half-cells?

A.
\(0.39 \mathrm{~V}\)
B.
\(1.21 \mathrm{~V}\)
C.
\(1.99 \mathrm{~V}\)
D.
\(2.81 \mathrm{~V}\)
Chemistry
AP
College Board
Exam No:Sample Exam Questions Year:2024 Question No:APChemistry2024AP0012

Answer:

B

Knowledge points:

9.9 Cell Potential and Free Energy

Solution:

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