Home
Class 12
CHEMISTRY
(i) Cu+ 2HCl(2) +H(2)(g) [E(Cu(2+)//Cu...

(i) `Cu+ 2HCl_(2) +H_(2)(g)` `[E_(Cu_(2+)//Cu^(@) = ).34V]`
(ii)`Zn + 2HClrightarrow ZNCl+ (2)+ H_(2) ((g))` `[E(ZN^(2+)//ZN^(@) = -0.76V]`
(iii) `Ag+ 2HCl rightarrow AgCl+(1)//(2) H_(2) (g)` `[E(Ag^(+)//Ag)^(@) =+0.80V]`
Which of the following reaction is feasible ?

A

(ii)

B

(i)

C

(iii)

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
A
Reactions (ii) is feasible for this `E_(cell)=+ve` and from `DeltaG=-nFE,DeltaG=-ve`
Promotional Banner

Similar Questions

Explore conceptually related problems

When E_(Ag)^(@)+_(//Ag)=0.8V and E_(Zn^(@))2^(+)._(//Zn) =-0.76V . Which of the following is correct?

Given E_(Ag^(+)//Ag)^(@)=+0.80 V, E_(Cu^(2+)//Cu)^(@)=+0.34 V, E_(Fe^(3+)//Fe^(2+))^(@)=+0.76 V, E_(Ce^(4+)//Ce^(3+))^(@)=+1.60 V Which of the following statements is not correct ?

For Zn^(2+) //Zn, E^(@) =- 0.76 , for Ag^(+)//Ag, E^(@) = -0.799V . The correct statement is

Given that, E_(Ni^(2+)//Ni)^(@)=-0.25 V, E_(Cu^(2+)//Cu)^(@)=+0.34 V E_(Ag^(+)//Ag)^(@)=+0.80 V, E_(Zn^(2+)//Zn)^(@)=-0.76 V Which of the following redox processes will not take place in specified direction ?

Given that E_(Ni^(2+)//Ni)^(@)=-0.25V, E_(Cu^(2+)//Cu)^(@)=+0.34V , E_(Ag^(+)//Ag)^(@)=+0.80V , E_(Zn^(2+)//Zn^(-))=-0.76V . Which of the following redox processes will not take place in specified direction ?

E.m.f of the cell 2Ag^(+) + Cu rightarrow Cu^(+2) = 2Ag [Given : E^(@) = -0.8V , E_(Cu^(+2))^@ Cu = 0.3V]

The standard cell potential for the cell Zn|Zn^(2+) (1 M)|| Cu^(2+) (1 M)| Cu Given E_(Cu^(2+)//Cu)^(@) = 0.34 V and E_(Zn^(2+)//Zn)^(@) = - 0.76 V is