The standard reductino potentials `E^(c-)` for the half reactinos are as follows`:` `ZnrarrZn^(2+)+2e^(-)" "E^(c-)=+0.76V` `FerarrFe^(2+)+2e^(-) " "E^(c-)=0.41V` The `EMF` for the cell reaction `Fe^(2+)+Znrarr Zn^(2+)+Fe` isA. `-0.35V`B. `+0.35V`C. `+1.17V`D. `-1.17V`

The standard reductino potentials `E^(c-)` for the half reactinos are

1.	The standard reductino potentials `E^(c-)` for the half reactinos are as follows`:` `ZnrarrZn^(2+)+2e^(-)" "E^(c-)=+0.76V` `FerarrFe^(2+)+2e^(-) " "E^(c-)=0.41V` The `EMF` for the cell reaction `Fe^(2+)+Znrarr Zn^(2+)+Fe` isA. `-0.35V`B. `+0.35V`C. `+1.17V`D. `-1.17V`
Answer» Correct Answer - b

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Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^-`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
What are elementary reactions ?

The standard reductino potentials `E^(c-)` for the half reactinos are as follows`:` `ZnrarrZn^(2+)+2e^(-)" "E^(c-)=+0.76V` `FerarrFe^(2+)+2e^(-) " "E^(c-)=0.41V` The `EMF` for the cell reaction `Fe^(2+)+Znrarr Zn^(2+)+Fe` isA. `-0.35V`B. `+0.35V`C. `+1.17V`D. `-1.17V`

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