Home
Class 12
CHEMISTRY
E^@Cu^(2+)//Cuis + 0.34V At which one o...

`E^@Cu^(2+)//Cu`is + 0.34V At which one of the following concentrations of `Cu^(2+)`, reduction potential of copper electrode becomes zero

A

`1.76 xx 10^(-6)M`

B

`3.12 xx 10^(-12)M`

C

`2 xx 10^(-8) M`

D

`3 xx 10^(-14) M`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

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

Consider the following four electrode : A = Cu^(2+) (0.0001 M)// Cu(S) B= Cu^(2+) (0.1M)//Cu(s) C = Cu^(2+) (0.01 M )//Cu(s) D) = Cu^(2+) (0.001 M )// Cu(s) If the standard reduction potential of Cu^(+2)// Cu is + 0.34 V , the reduction potential ( in volts ) of the above electrodes follow the order

For copper half cell, the graph between reduction potential (Y-axis) and log [Cu^(2+)] is a straight line with the Y -intercept + 0.34V. Reduction potential of copper electrode with 0.01 M CuSO_4 solution is

Calculate the concentration of silver ions in the cell constructed by using 0.1 M concentration of Cu^(2+) and Ag^(+) ions. Cu and Ag metals are used as electrodes. The cell potential is 0.422 V. [E _(Ag^(2+)//Ag)=0.80V,E_(Cu^(2+)//Cu)=+0.34V]

A cell constructed by coupling a standard copper electrode and a standard magnesium electrode has emf of 2.7 volts. If the standard reduction potential of copper electrode is +0.34 volt, that of magnesium electrode is

E^@ for Mg to 2e^(-) + Mg^(2+) is + 2.37 V and for Cu to 2e^(-) + Cu is -0.34V . What will be the standard potential of cell constructed with these electrodes ? Which electrode will be positive terminal to draw the current?

AAKASH SERIES-REVISION EXERCISE -ELECTROCHEMISTRY
  1. The standard reduction potential for Cu^(2+)//Cu is +0.34V. If ksp of...

    Text Solution

    |

  2. Adding powdered lead and iron to a solution that is 1M in both Pb^(2+)...

    Text Solution

    |

  3. E^@Cu^(2+)//Cuis + 0.34V At which one of the following concentrations...

    Text Solution

    |

  4. During the charging of lead storage battery, the reaction occuring at ...

    Text Solution

    |

  5. During the discharge of a lead storage battery, density of H2SO4 fell...

    Text Solution

    |

  6. The standard e.m.f of a cell, involving one electron change is found t...

    Text Solution

    |

  7. The same quantity of electricity is passed through 0.1M H2SO4 and 0.1 ...

    Text Solution

    |

  8. On passing 3F electricity through three cells containing fused Na2CO3 ...

    Text Solution

    |

  9. For the electrolytic production of NaClO4 from NaClO3 according to t...

    Text Solution

    |

  10. The quantity of electricity in Faradays required to reduce 1.23 gm of ...

    Text Solution

    |

  11. When 3.86 amperes current are passed through an electrolyte for 50 min...

    Text Solution

    |

  12. When 965 amp current is passed through aqueous solution of salt X usin...

    Text Solution

    |

  13. What is the approximate quantity of electricity (in coulomb) required ...

    Text Solution

    |

  14. Four moles of electrons were transferred from anode to cathode in an e...

    Text Solution

    |

  15. One Faraday of electricity is passed separately through one litre of o...

    Text Solution

    |

  16. The resistance of 0.5 N solution of an electrolyte in a conductivity c...

    Text Solution

    |

  17. 0.05M NaOH solution offered a resistance of 31.69Omega in a conducti...

    Text Solution

    |

  18. The resistance of 0.05M KCl solution at 25^@C is 100 ohm in a cell wh...

    Text Solution

    |

  19. Aluminium displaces hydrogen from acids, but copper does not. A galvan...

    Text Solution

    |

  20. When E(Ag^(+) | Ag)^@ = 0.80 volt and E(Zn^(2+)|Zn)^@ = 0.76 volt, wh...

    Text Solution

    |