Home
Class 12
CHEMISTRY
If E((Mg)/(Mg^2+))^0 = +2.37 and E((Cu)/...

If `E_((Mg)/(Mg^2+))^0 = +2.37` and `E_((Cu)/(Cu^2+))^0 = -0.34 V` then standard EMF of the cell, `(Mg)/(Mg^(2+))/(Cu^(2+))/(Cu)` is

A

+2.71 V

B

-2.71V

C

+2.03V

D

-2.03V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 5

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|360 Videos

  • TEST 4

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|90 Videos

  • TEST 6

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|348 Videos

Similar Questions

Explore conceptually related problems

E^(@) of Fe^(2 +) //Fe = - 0.44 V, E^(@) of Cu //Cu^(2+) = -0.34 V . Then in the cell

Given that E_(Cu^(2+)//Cu)^(0)=0.337 and E_(Cu^(+)//Cu^(2+))^(0)=-0.153V . then calculate E_(Cu^(+)//Cu)^(0)

If E_(Cu^(2+)|Cu)^(@) = 0.34V and E_(Cu^(2+)|Cu^(+))^(@)= 0.15 V then the value for disproportion for Cu^(+) is :

The standard potential E^(@) for the half reactions are as : Zn rarr Zn^(2+) + 2e^(-), E^(@) = 0.76V Cu rarr Cu^(2+) +2e^(-) , E^(@) = -0.34 V The standard cell voltage for the cell reaction is ? Zn +Cu^(2) rarr Zn ^(2+) +Cu

E^@ for Mg to 2e^(-) + Mg^(2+) is + 2.37 V and for Cu to 2e^(-) + Cu^(+2) 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?

Given that K_(sp) of CuS=10^(-35) and E_Cu//Cu^(2+)= (-0.34V) . The standard oxidation potential of Cu|CuS|S^(2-) Half- cell is :

The voltage of a cell whose half-cells are given below is Mg^(2+)+2e^(-)rarrMg(s),E^(@)=-2.37V Cu^(2+)+2e^(-)rarrCu(s),E^(@)=+0.34V standard EMF of the cell is

E^@ values for the half cell reactions are given below : Cu^(2+) + e^(-) to Cu^(+) , E^@ =0.15 V Cu^(2+) + 2e^(-) to Cu, E^@ =0.34 V What will be the E^@ of the half-cell : Cu^(+) + e^(-) to Cu ?

Given: (i) Cu^(2+)+2e^(-) rarr Cu, E^(@) = 0.337 V (ii) Cu^(2+)+e^(-) rarr Cu^(+), E^(@) = 0.153 V Electrode potential, E^(@) for the reaction, Cu^(+)+e^(-) rarr Cu , will be

The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) are 0.337 and 0.153 respectively. The standard electrode potential of Cu^(+)//Cu half - cell is

AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
  1. If E((Mg)/(Mg^2+))^0 = +2.37 and E((Cu)/(Cu^2+))^0 = -0.34 V then stan...

    Text Solution

    |

  2. Incorrect statement about borax is

    Text Solution

    |

  3. B — F bond length in BF3 and BF4- are respectively

    Text Solution

    |

  4. The best Lewis acid is

    Text Solution

    |

  5. An aqueous solution of borax is

    Text Solution

    |

  6. Thermodynamically the most stable form of carbon is (a) diamond , (b...

    Text Solution

    |

  7. Consider the following statements about Buckminster fullerene (C60). I...

    Text Solution

    |

  8. Why potassium carbonate (K(2)CO(3)) cannot be prepared by Solvay-ammon...

    Text Solution

    |

  9. Quartz' is the compound of

    Text Solution

    |

  10. Dry ice is

    Text Solution

    |

  11. The average velocity of an ideal gas molecule at 27^oC is 0.8m/s. The ...

    Text Solution

    |

  12. Consider the following statements at room temperature. l. CO2 is a gas...

    Text Solution

    |

  13. Consider the following reactions Z + 3LiAlH4 to X + 3LiF + 3AlF3 X ...

    Text Solution

    |

  14. (3c, 2e) bond is present in

    Text Solution

    |

  15. Hybrid state of aluminium chloride in aqueous medium is

    Text Solution

    |

  16. When CO2(g) is passed to lime water, there is appearance of milkiness....

    Text Solution

    |

  17. Soda ash is

    Text Solution

    |

  18. Lithium is the strongest reducing agent though it has highest ionisati...

    Text Solution

    |

  19. Which of the following compound is used to regenerate ammonia in the p...

    Text Solution

    |

  20. Consider the following statements. I. Li2CO3 decomposes easily on heat...

    Text Solution

    |

  21. Match the Column-I with Column-ll.

    Text Solution

    |