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For the electrochemical cell, M|M^(+) ||...

For the electrochemical cell, `M|M^(+) ||X^(-)|X`, `E_(M^(+)//M)^(@) = 0.44 V` and `E_(X//X^(-))^(@) = 0.33 V`. From this data we can deduce that :

A

`M+X rarrM^++X^-` is the spontaneous reaction

B

` M^++X^(-)rarrM+X` is the spontaneous reaction

C

`E_(Cell)=0.77V`

D

`E_(Cell)=-0.77V`

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The correct Answer is:
B
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For the electrochemicl cell, M|M^(+)||X^(-)|X E_((M^(+)//M))^(@) = 0.44 V and E_((X//X^(-)))^(@) = 0.33 V From this data one can deduce that :

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For the electrochemical cell, (M|M^(o+))||(X^(c-)|X),E^(c-)._((M^(o+)|M))=0.44V and E^(c-)._((X|X^(c-)))=0.334V

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For the electrochemical cell, (M|M^(o+))||(X^(c-)|X) , E^(c-)._((M^(o+)|M))=0.44V , and E^(c-)._((X|X^(c-))=-0.33V . From this data, one can conclude that

At 25^(@)C temperature the cell potential of a given electrochemical cell is 1.92 V Mg(s)|Mg^(2+)(Aq)x M||Fe^(2+)(aq)0.01 M |Fe(s) Given E_(Mg//mg^(2+))(Aq)=2.37 v E_(Fe//Fe^(2+))^(@)(Aq)=0.45 V Find the value of x

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