Home
Class 12
CHEMISTRY
Standard reduction electrode potential o...

Standard reduction electrode potential of `Zn^(2+)//Zn` is -0.76V`. This means:

A

`ZnO` is reduced to `Zn` by `H_(2)`

B

`Zn` can't liberates `H_(2)` with conentrated acid

C

`Zn` is generally the anode in an electrochemical cell

D

`Zn` is generally the cathode in an electrochemical cell.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-2 PART-IV|7 Videos

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-I|15 Videos

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-2 PART-I|27 Videos

  • D & F BLOCK ELEMENTS

    RESONANCE|Exercise INORGANIC CHEMISTRY(d & f- Block Elments)|40 Videos

  • DPP

    RESONANCE|Exercise QUESTIONS|223 Videos

Similar Questions

Explore conceptually related problems

The emf of the cell Zn|Zn^(2+)(1M)||Cu^(2+)|Cu(1M) is 1.1V. If the standard reduction potential of Zn^(2+)|Zn is -0.78V, what is the oxidation potential of Cu|Cu^(2+) ?

The standard electrode potential of Zn^(2+) // Zn is -0.76V and that of Ca^(2+) // Cu is 0.34V . The emf(V) and the free energy change (kJ "mol"^(-1)) , respectively , for a Daniel cell will be

Calculate the standard reduction electrode potential of Cd^(2+)//Cd electrode for the cell: Zn(s)IZn^(2+)(IM)IICd^(2+)(IM)ICd(s) (Given that " " E_(cell)^(@)=0.36 V and E_(Zn^(2+))^(@)//Zn)=-0.76V)

The reaction: Zn^(2+)(aq)+2e^(-)toZn (s) has a electrode potential of -0.76 V. This means-

The standard reduction potential of Zn^(2+)|Zn and Cu^(2+)|Cu are -0.76V and +0.34 V respectively. What is the cell e.m.f (in V) of the following cell? ((RT)/(F)=0.059) Zn//Zn^(2+)" "(0.05M)//Cu^(2+)(0.005M)//Cu

RESONANCE-D BLOCK ELEMENTS-EXERCISE-2 PART-II
  1. VO(2) is an amphoteric oxide and in acidic medium it form:

    Text Solution

    |

  2. Which of the following transition metal shows the highest oxidation st...

    Text Solution

    |

  3. Standard reduction electrode potential of Zn^(2+)//Zn is -0.76V. This ...

    Text Solution

    |

  4. E^(Theta) value for the couple Cr^(3+)//Cr^(2+) and Mn^(3+)//Mn^(2+) a...

    Text Solution

    |

  5. Which one of the following show highest magnetic moment?

    Text Solution

    |

  6. Amongest the following the lowest degree of paramagnetism per mole of ...

    Text Solution

    |

  7. Which one of the transittion metal ions is coloured in aqueous solutio...

    Text Solution

    |

  8. Compound that is both paramagnetic and coloured is:

    Text Solution

    |

  9. Which of the following is expected to be coloured?

    Text Solution

    |

  10. Most transition metals:(I) Form sets of compounds which display differ...

    Text Solution

    |

  11. The aqueous solution of the following salts will be coloured in the ca...

    Text Solution

    |

  12. Which one of the following characteristics of the transition metals is...

    Text Solution

    |

  13. German silver is an alloy of copper and:

    Text Solution

    |

  14. Ferric sulphate on heating gives:

    Text Solution

    |

  15. Anhydrous ferric chloride is prepared by:

    Text Solution

    |

  16. At 3000^(@)C FeCl(3):

    Text Solution

    |

  17. Iron is rendered passive by treatment with concentrated :

    Text Solution

    |

  18. Lucas reagent is:

    Text Solution

    |

  19. Which one of the following dissolves in hot concentrated NaOH?

    Text Solution

    |

  20. The compound used for gravimetric estimation of Cu(II) is:

    Text Solution

    |