Home
Class 12
CHEMISTRY
Given that E values of Ag^(+) | Ag, K^(+...

Given that E values of `Ag^(+) | Ag, K^(+)|K, Mg^(2+) |Mg and Cr^(3+) | Cr` áre 0.80 V,-2.93 V,-2.37 V, and -0.74 V, respectively. Which of the following orders regarding the reducing power of metals is correct?

A

`Ag gt Cr gt Mg gt K`

B

`Ag lt Cr lt Mg lt K`

C

`AggtCrgtKgtMg`

D

`CrgtAggtMggtK`

Text Solution

Verified by Experts

The correct Answer is:
B

More negative the E value, larger the reducing power of the metal. In present case, `KgtMggtCrgtAg`.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-II|70 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Questions|17 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Level-III (Linked Comprehension Type)|12 Videos
  • D & F BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise Level -II|38 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION - REASON) |5 Videos

Similar Questions

Explore conceptually related problems

The standard reduction potential values of there metallic cations X, Y, Z are 0.52,-3,03 -1.18 V respectively. What will be the order of reducing power of the corresponding metals?

Which of the following element has maximum first ionisation potential? 1)V 2)Ti 3)Cr 4)Mn

Given that Ni^(2+)|Ni=-0.25V,Cu^(2+)|Cu=0.34VAg^(+)|Ag=0.80V and Zn^(2+)|Zn=-0.76V . Which of the following reactions under standard conditions can take place in the specified direction?

Given the standard electrode potentials K^+//K= -2.93V, Ag^+//Ag = +0.8V, Hg^(2+)//Hg= 0.79 V, Mg^(2+)//Mg = -2.36V Cr^(3+)//Cr = 0.74 V Arrange them in increasing order of reducing power.

Some standard electrode potentials at 298K are given below. Cu^(2+)//Cu=0.34 V , Ca^(2+)//Ca=-2.87 V Ag^+//Ag=0.80 V , Na^+//Na= -2.71 .Write the order of metals in the decreasing order of their reducing power with proper justification.

E^@ (red.) values of the half cells Mg^(2+)//Mg and Cl_2//Cl^- are respectively -2.36V and +1.36V . The E^@ values of the cell Mg|Mg^(2+)||Cl_2|Cl^- is

BRILLIANT PUBLICATION-ELECTROCHEMISTRY-LEVEL-I
  1. Based on the following information, arrange four metals A, B, C and D ...

    Text Solution

    |

  2. The E at 25^(@) C for the following reaction is 0.22 V. The equilibriu...

    Text Solution

    |

  3. Using the following E^(@) values for electrode potentials, calculate t...

    Text Solution

    |

  4. When I(2), (s)|I^(-) (0.IM) half cell is connected to a H^(+) (aq) |H...

    Text Solution

    |

  5. The standard free energy change for the following reaction is-210 kJ. ...

    Text Solution

    |

  6. Resistance of 0.1 MKCI solution in a conductivity cell is 300 ohm and ...

    Text Solution

    |

  7. Which of the following statements is correct?

    Text Solution

    |

  8. Two half cells have potentials-0.76 Vand-0.13 V respectively. A galvan...

    Text Solution

    |

  9. Given that E values of Ag^(+) | Ag, K^(+)|K, Mg^(2+) |Mg and Cr^(3+) |...

    Text Solution

    |

  10. Given: E^(@) (Sn^(2+)Sn^(4+)|Pt) = -0.15V, E^(@) (Hg(2)^(2+)|Hg ^(2+))...

    Text Solution

    |

  11. The pressure of H(2) required to make the potential of the hydrogen e...

    Text Solution

    |

  12. When a lead storage battery is charged:

    Text Solution

    |

  13. An example of a simple fuel cell is:

    Text Solution

    |

  14. The equilibrium constant of acetic acid in an aqueous solution of conc...

    Text Solution

    |

  15. For a dilute solution of a strong electrolyte, which of the following ...

    Text Solution

    |

  16. 1 L of 1 MCuSO(4) solution is electrolysed. After passing 2 F of elec...

    Text Solution

    |

  17. If equivalent conductance of 1 M benzoic acid is 12.8 Omega^-1 ~cm^2 a...

    Text Solution

    |

  18. E^(@) for the electrochemical cell Zn(s) | Zn^(2+)1M (aq)|| Cu^(2+)...

    Text Solution

    |

  19. The reduction potential of hydrogen electrode will be negative if :

    Text Solution

    |

  20. Electrolysis of dilute aqueous NaCl solution was carried out by passin...

    Text Solution

    |