Home
Class 12
CHEMISTRY
The standard reduction potentials of Ag,...

The standard reduction potentials of Ag, Cu, Co and Zn are 0.799, 0.337,-0.277 and 0.762V respectively. Which of the following cells will have maximum cell e.m.f.?

A

`Zn//Zn^(2+)(1M) //Cu^(2+) (1M) //Cu`

B

`Zn//Zn^(2+) (1M)//Ag^(+) (1M)//Ag`

C

`Cu//Cu^(2+) (1M) //Ag^(+) (1M) // Ag`

D

`Zn//Zn^(2+) (1M) // Co^(2+) (1M)//Co`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise SURFACE CHEMISTRY|45 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise VA GROUP ELEMENTS|26 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL KINETICS|39 Videos

  • REDOX REACTONS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|27 Videos

  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

Similar Questions

Explore conceptually related problems

Electrode potentials of Cu^(2+)//Cu and Ag^(+)//Ag electrodes are + 0.33V and +0.8V respectively. What is the EMF of the cell constructed from these electrodes.

Standard reduction electrode potential of three metal A,B and C are respectively +0.05 V, -3.0 and -1.2 V. The reducing powers of

Knowledge Check

  • The standard reduction potential of Cu^(2+) // Cu and Cu^(+) // Cu are 0.337 and 0.153 V respectively . The standard electrode poetential of Cu^(2+) // Cu^(+) half cell will be

    A
    `0.184 V `
    B
    `0.827V `
    C
    `0.521 V `
    D
    `0.490V `

  • The standard reduction potentials of Zn^(2+)//Zn,Cu^(2+)//Cu and Ag^(+)//Ag are respectively -0.78, 0.34 and 0.8 V. The following cells were constructed: (1) Zn |Zn^(2+)|| Cu^(2+)|Cu (2) Zn |Zn^(2+)|| Ag^(+)|Ag (3) Cu |Cu^(2+)|| Ag^(+)|Ag What is the correct order of of these cells?

    A
    `2 gt 3 gt 1`
    B
    `2 gt 1 gt 3`
    C
    `1 gt 2 gt 3`
    D
    `3 gt 1 gt 2`

  • The standard reduction potential for Fe^(2+)|Fe and Sn^(2+)|Sn electrodes are -0.44 and -0.14 volt respectively. For the cell reaction: Fe^(2+)+Sn rarr Fe + Sn^(2+) , the standard emf is

    A
    `0.30V`
    B
    `-0.58`V
    C
    `+0.58V`
    D
    `-0.30V`

    • Similar Questions

    Explore conceptually related problems

    The cell reaction of a cell is Mg(s) + Cu^(2+)(aq) to Cu(s) + Mg^(2+)(aq) If the standard reduction potentials of magensium and copper are -0.33 and +2.38 V respectively, the emf of the cell is

    For the cell reaction, Mg_((s))+Cu_((aq))^(2+) rarr Cu_((s)) +g^(2+)(aq.) the standard reduction potentials of Mg and Cu are -2.37 V and 0.34 V respectively. The e.m.f. of the cell is

    Standard reduction electrode potential of three metals A, B and C are respectively +0.05 V, -3.0 and -1.2 V. The reducing powers of

    The half cell reaction, with its standard reduction potentials are I) Pb^(2+) + 2Ag to 2Ag^(+) + Pb (E^(0) = -0.13V) II) Ag^(+) + e^(-) to Ag(E^(0) = + 0.80 V) Which of the following reactions will occur ?

    When E_(Ag^(+) | Ag)^@ = 0.80 volt and E_(Zn^(2+)|Zn)^@ = 0.76 volt, which of the following is correct?

    Home
    Profile