Home
Class 12
CHEMISTRY
The standard oxidation potential of Zn a...

The standard oxidation potential of Zn and Ag in water at
`20^(@) C" are: " Zn(s) rarr Azn^(2+) (aq) + 2e^(-) E^(o) = 0.76 V`
`Ag(s) rarr Ag^(+)(aq) +e^(-) E^(o) = - 0.80 V`
Which one of the following reactions actually takes place?

A

`Zn(s) + 2 Ag^(+)(aq) rarr Zn^(2+) + 2 Ag(s)`

B

`Zn^(2+) (aq)+2Ag(s) rarr 2Ag^(+)(aq)+ Zn(s) `

C

`Zn(s) + Ag(s) rarrZn^(2+)(aq)+Ag+(aq)`

D

`Zn^(2+)(aq)+Ag^(+)(aq) rarr Zn(s)+Ag(s)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

At 20^(@) C, the standard oxidation potential of Zn and Ag in water are: Zn(s)rarr Zn^(2+) (aq) + 2e^(-), E^(o) = 0.76V , Ag(s) rarr Ag^(+)(aq) + E^(-) , E^(o) = - 0.80 V The standard EMF of the given reaction is: Zn+2Ag^(+)rarr 2AG+Zn^(+2)

The standard oxidation potentials of Ze and Ag in water at 25^@C are Zn(s) rarr Zn^(2+) + 2e" "[E^@= 0. 76 V] Ag(s) rarr Ag^+ +e" " [E^@=- 0. 80 V] Which of the following reactions actually takes place ?

The standard reduction potentials of Zn and Ag in water at 298K are. Zn^(2+)+2e^(-)hArrZn,E^(@)=-0.76V and Ag^(+)+e^(-)hArrAg:E^(@)=+0.80V Which of the following reactions take place?

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 :