Cell reaction for the cell `Zn|Zn^(2+)(1.0M)||Cd^(2+)(1.0M)|Cd` is given byA. `CdrarrCd^(2+)+2e^(-)`B. `Zn^(2+)rarrZn-2e^(-)`C. `Cd+Zn^(2+)rarrZn+Cd^(2+)`D. `Zn+Cd^(2+)rarrZn^(2+)+Cd`.

Cell reaction for the cell `Zn|Zn^(2+)(1.0M)||Cd^(2+)(1.0M)|Cd` is giv

1.	Cell reaction for the cell `Zn\|Zn^(2+)(1.0M)\|\|Cd^(2+)(1.0M)\|Cd` is given byA. `CdrarrCd^(2+)+2e^(-)`B. `Zn^(2+)rarrZn-2e^(-)`C. `Cd+Zn^(2+)rarrZn+Cd^(2+)`D. `Zn+Cd^(2+)rarrZn^(2+)+Cd`.
Answer» Correct Answer - D The two half cell reaction for the given cells are: `Zn(s)rarrZn^(2+)+(aq)+2e^(-)` `Cd^(2+)(aq)+2e^(-)rarrCd(s)` New reaction: `Zn(s)+Cd^(2+)(aq)rarrZn^(2+)(aq)+Cd(s)`

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Define molar conductivity of a solution and explain how molar conductivity changes with change in concentration of a solution for a weak and a strong electrolyte.
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Based on the data given below, the correct 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 A1`B. `Fe^(2+) lt Al lt Br^(-)`C. `Al^(-) lt Br^(-) lt Fe^(2+)`D. `Al^(-) lt Fe^(2+) lt Br^(-)`
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^(-)`
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 ?

Cell reaction for the cell `Zn|Zn^(2+)(1.0M)||Cd^(2+)(1.0M)|Cd` is given byA. `CdrarrCd^(2+)+2e^(-)`B. `Zn^(2+)rarrZn-2e^(-)`C. `Cd+Zn^(2+)rarrZn+Cd^(2+)`D. `Zn+Cd^(2+)rarrZn^(2+)+Cd`.

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