Home
Class 12
CHEMISTRY
Consider a voltaic cell based on these h...

Consider a voltaic cell based on these half - cell reactions
`Ag^(+)(aq)+e^(-)rarrAg(s): E^(@)=+0.80V`
`Cd^(+2)(aq)+2e^(-)rarrCd(s), E^(@)=-0.40V`
identify the anode and give the voltage of this cell under standard condition.

A

`Ag : E_("cell")^(@)=0.40 V`

B

`Ag: E_("cell")^(@) = 2.00 V`

C

`Cd : E_("cell")^(@) = 1.20 V`

D

`Cd: E_("cell")^(@) = 2.00V`

Text Solution

Verified by Experts

The correct Answer is:
A
SRP of Zn is less than SRP of Hydrogen. Hence, Zn acts as cathode.
Promotional Banner

Similar Questions

Explore conceptually related problems

Ag^(+)(aq)+e^(-)rarrAg(s) E^(@)=0.80V Cu^(2+)(aq)+2e^(-)rarrCu(s) E^(@)=0.34V Which expression gives the voltage for this cell if [Cu^(2+)]=1.00M and [Ag^(+)]=0.010M ?

Ag^(+)(aq)+e^(-)rarrAg(s) E^(@)=0.80V Cu^(2+)(aq)+2e^(-)rarrCu(s) E^(@)=0.34V Which increases immediately if the surface area of the silver electrode is increased?

Ag^(+)(aq)+e^(-)rarrAg(s) E^(@)=0.80V Cu^(2+)(aq)+2e^(-)rarrCu(s) E^(@)=0.34V What is the value for DeltaG^(@) when [Ag^(+)]=[Cu^(+)]=1.0M ?

Al^(3+)(aq)+3e^(-)rarrAl(s) E^(@)=-1.66V Mn^(2+)(aq)+2e^(-)rarrMn(s) E^(@)=-1.18V What process occurs at the anode of a volatic cell utilizing these two half-reactions?

If the half cell reactions are given as (i) Fe^(2+)(aq)+2e^(-)rarrFe(s),E^(@)=0.44V (ii) 2H^(+)(aq)+ 1//2O_(2)(g)+2e^(-)rarrH_(2)O(l),E^(@)=+1.23V The E^(@) for the reaction.

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 by

The standard reduction potential for two reactions are given below AgCl(s)+e^(-)rarrAg(s)+Cl^(-)(aq) ,E^(@)=0.22V Ag^(+)(aq)+e^(-)rarrAg(s),E^(@)=0.80V The solubility product of AgCl under standard conditions of temperature is given by

Given the cell reactions MX_((s))+e^(-)rarrM_((s))+X_((aq))^(-),E^(@)=0.207V and M_((aq))^(+)+e^(-)rarrM_((s)),E^(@)=0.799V The solubility of MX_((s)) at 298K is