Calculate the EMF of the cell, containing nickel and copper electrodes. Given `E^@(NI^(2+)|NI)=-0.25V` and `E^@(Cu^(2+)|Cu)=+0.34V`.

A cell raction is n (s)| Sn_((0.50M))^(2+)//H_((0.020M))^(+)//H_(2)(g) . Calculate E_("cell") of a reaction and also write Nernst equation. Given: E^(@)(sin^(2+)|Sn)= -0.14V and E^(@)(H^(1+)|H)= 0.00V

Write the Nernst equation for the above cell, if E^@(Zn^(2+)|Zn)=-0.76V, E^@(Cu^(@+)|Cu)=+0.34V

Can a nickel spoon be used to stir a solution of copper sulphate ? Support your answer with reason. [E^(@)(Ni^(2+)//Ni)= -0.25V,E^(@)(Cu^(2+)//Cu)=+0.34V]

Calculate the emf of cell, Al|Al^(3+)||Cu^(2+)|Cu Given : E^(@) (Al^(3)|Al) = - 1.66V and E^(@) (Cu^(2+)|Cu) = + 0.34 V

Calculate the e.m.f. of the following cell at 298 K. Mg_((s))|Mg^(2+)(0.001M)||Cu^(2+)(0.0001M)|Cu_((s)) Given E^(@)(Cu^(2+)|Cu)=0.34V and E^(@)(Mg^(+)|Mg)=-2.37V .

Can Chlorine gas be stored in Copper Cylinder ? Given E_(Cu^(+)//Cu)^(@)= 0.34V and E_(Cl_(2)//Cl)^(@)= 1.36V

A copper silver cell is set up. The copper ion concentration is 0.10 M. the concentration of silver ion is not known. The cell potential when measured was 0.422V. Determine the concentration of silver ions in the cell. Given: E_(Ag^+|Ag)=+0.80V , E_(Cu^(2+)|Cu)=+0.34V

Can a zinc spoon be used to stir a solution of copper sulphate? Support your answer with reason E_(Zn^(2+)|Zn)^@=-0.76V , E_(Cu^(2+)|Cu)^@=+0.34V

When a solution of AgNO_3 (1 M) is electrolysed using platinum anode and copper cathode, what are the products obtained at two electrodes? Given : E_(cu^(2+)|cu)^(@)=+0.34 V , E_(H_2O|O_2,H^+)^(@)=-1.23 V E_(H^+|H_2)^(@)=+0.0V , E_(ag^+|Ag)^(@)=+0.8 V