इलेक्ट्रोड अभिक्रिया `Zn++hArr Zn - 2e^(-)` तथा `Cu hArr Cu^(++) +2e` के मानक इलेक्ट्रोड विभव क्रमशः +0.76 V तथा -0.337 V हैं। कारण सहित बताइए कि अभिक्रिया
`Zn+Cu^(++) to Zn^(++) +Cu`
का होना है सम्भव हैं या नहीं।

The E^(@) values for the changes given below are measured against NHE at 27^(@) C Cu^(2+) + e to Cu^(+) , E^(@) = + 0.15 V , Cu^(+) + e to Cu, E^(@) = + 0.50 V , Zn^(2+) + 2e to Zn , E^(@) = - 0.76 V . The temperature coefficient of emf a cell designed as Zn|Zn^(2+) || Cu^(2+) || Cu is - 1.4 xx 10^(-4)v per degree . For a cell reaction in equilibrium DeltaG= 0 and DeltaG^(@) = -2.303 RT log K_(c) . The heat of reaction and entropy changes during the reaction are related by DeltaG = DeltaH - TDeltaS . The E^@ for the reaction 2Cu^(+) to Cu^(2+) + Cu is :

The standard potential E^(@) for the half reactions are as : Zn rarr Zn^(2+) + 2e^(-), E^(@) = 0.76V Cu rarr Cu^(2+) +2e^(-) , E^(@) = -0.34 V The standard cell voltage for the cell reaction is ? Zn +Cu^(2) rarr Zn ^(2+) +Cu

The standard potential E^(@) for the half reactions are as : Zn rarr Zn^(2+) + 2e^(-), E^(@) = 0.76V Cu rarr Cu^(2+) +2e^(-) , E^(@) = -0.34 V The standard cell voltage for the cell reaction is ? Zn +Cu^(2) rarr Zn ^(2+) +Cu

In a cell Zn | Zn^++ (eq) || Cu^+2 (eq) | Cu the standard electrode potentials are : Cu^++ + 2e rarr Cu, E^@ = 0.34 V , Zn^++ + 2e rarr Zn, E^@ = -0.76 V .What is the emf of the cell ?

E^@ values of Zn^(2+), Zn and Cu^(2+), Cu are respectively -0.76 V and + 0.34 . Calculate the EMF of the cell Zn//Zn^(2+) (0.1M)"//"Cu^(2+)(0.1 M)//Cu .

The standard reduction potential E^(@) , for the half reaction are : {:(Zn rarr Zn^(2+) + 2e^(-),,,E^(@) = 0.76 V),(Cu rarr Cu^(2+) + 2e^(-),,,E^(@) = 0.34 V):} The emf for the cell reaction, Zn(s)+Cu^(2+) rarr Zn^(2+) + Cu(s) is :