For the Following Cell Reaction, the Standard Cell Potential Is

question 25

Multiple Choice

For the following cell reaction, the standard cell potential is 1.34 V. To determine the cell potential at nonstandard conditions, what is the value that should be used for n in the Nernst equation? $$2 \mathrm { MnO } _ { 4 } ^ { - } ( \mathrm { aq } ) + 5 \mathrm { H } _ { 2 } \mathrm { SO } _ { 3 } ( \mathrm { aq } ) \rightarrow 2 \mathrm { Mn } ^ { 2 + } ( \mathrm { aq } ) + 5 \mathrm { SO } _ { 4 } ^ { 2 - } ( \mathrm { aq } ) + 4 \mathrm { H } ^ { + } ( \mathrm { aq } ) + 3 \mathrm { H } _ { 2 } \mathrm { O } ( \mathrm { l } )$$

• A) 8
• B) 10
• C) 5
• D) 2
• E) 6

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