The standard rectuion potentials for two half-cell reactions are given below `Cd^(2+)(aq)+2e^(-)rarrCd(s),E^(@)=-0.40V` `Ag^(+)(aq)+e^(-)rarrAg(s),E^(@)=0.80V` The standard free energy change for the reaction `2Ag^(+)(aq)+Cd(s)rarr2Ag(s)+Cd^(2+)(aq)` is given byA. 115.8kJB. `-115.8kJ`C. `-231.6kJ`D. `231.6kJ`

The standard rectuion potentials for two half-cell reactions are given

1.	The standard rectuion potentials for two half-cell reactions are given below `Cd^(2+)(aq)+2e^(-)rarrCd(s),E^(@)=-0.40V` `Ag^(+)(aq)+e^(-)rarrAg(s),E^(@)=0.80V` The standard free energy change for the reaction `2Ag^(+)(aq)+Cd(s)rarr2Ag(s)+Cd^(2+)(aq)` is given byA. 115.8kJB. `-115.8kJ`C. `-231.6kJ`D. `231.6kJ`
Answer» Correct Answer - C ` 2Ag^(+)(aq)+2e^(-)rarr2Ag(s) :E^(@)= 0.80V` `Cd(s)rarrCd^(2+)(aq)+2e^(-):E^(@)=0.400` `2Ag^(+)(aq)+Cd(s)rarrCd^(2+)(aq)+2Ag(s)` `E^(@)=1.20V` `DeltaG=-nE^(@)F` `=-2xx1 .20xx96500` `=-231.6kJ`

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