Consider following half cell reaction and corresponding standard (reduction) electrode potentials. I. `A+e^(-)rarrA:E^(@)=-24V` II. `B^(-)+e^(-)rarrB^(2-):E^(@)=+1.25V` III. `C^(-)+2e^(-)rarrC^(3-):E^(@)=-1.25V` IV. `D+2e^(-)rarrD^(2-):E^(@)=+0.68V` V. ` E+4e^(-)rarrE^(-4):E^(@)=0.38V`. Cell with the largest cell potential isA. `A|A^(-)||B^(2-)|B^(-)`B. `A|A^(-)||B^(2- ),B^(-)|B`C. `Pt|C^(3-),C^(-)|B^(-),B^(2-)| Pt`D. ` Pt|B^(2-) ,B^(-)| |C^(-),C^(3-)|Pt`

Consider following half cell reaction and corresponding standard (redu

1.	Consider following half cell reaction and corresponding standard (reduction) electrode potentials. I. `A+e^(-)rarrA:E^(@)=-24V` II. `B^(-)+e^(-)rarrB^(2-):E^(@)=+1.25V` III. `C^(-)+2e^(-)rarrC^(3-):E^(@)=-1.25V` IV. `D+2e^(-)rarrD^(2-):E^(@)=+0.68V` V. ` E+4e^(-)rarrE^(-4):E^(@)=0.38V`. Cell with the largest cell potential isA. `A\|A^(-)\|\|B^(2-)\|B^(-)`B. `A\|A^(-)\|\|B^(2- ),B^(-)\|B`C. `Pt\|C^(3-),C^(-)\|B^(-),B^(2-)\| Pt`D. ` Pt\|B^(2-) ,B^(-)\| \|C^(-),C^(3-)\|Pt`
Answer» Correct Answer - C

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What are elementary reactions ?

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