Home
Class 12
CHEMISTRY
The standard electrode potentials of fou...

The standard electrode potentials of four elements A, B, C and D are `-3.05, 1.66, -0.40` and 0.80 volt. The highest chemical activity will be shown by :

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
A
More negative is `E_(RP)^(@)` , more is reactivity of metal .
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NIKITA PUBLICATION|Exercise Questions From Competitive Exam|46 Videos

  • D-AND F-BLOCK ELEMENTS

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|515 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    NIKITA PUBLICATION|Exercise Multiple choice questions|117 Videos

Similar Questions

Explore conceptually related problems

The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and 0.34 volt respectively, then:

The standard electrode potential of four metallic elements (A, B, C and D) are + 0.80, –0.76, + 0.12 and +0.34 V respectively. Arrange them in order of decreasing electropositive character

The standard electrode potentials of elements A,B and C are+0.68, -2.50 and -0.50 V respectively.The correct order of their reducing powers is:

The standard electrode potentials (E_(M^(+)//M)^(@)) of four metals A, B, C and D are -1.2V, 0.6V, 0.85 V and -0.76V , respectively. The sequence of deposition of metals on applying potential is

NIKITA PUBLICATION-ELECTROCHEMISTRY -Questions From Competitive Exam
  1. The standard electrode potentials of four elements A, B, C and D are -...

    Text Solution

    |

  2. A current 0.5 ampere when passed through AgNO(3) solution for 193 sec....

    Text Solution

    |

  3. A factory produces 40 kg of calcium in two hours by electrolysis. How ...

    Text Solution

    |

  4. {:("Electrolyte",^^.^(oo)(Scm^(2)mol^(-1))),(KCl,149.9),(KNO(3),145.0)...

    Text Solution

    |

  5. At certain temperature and infinite dilution , the equivalent conducta...

    Text Solution

    |

  6. A solution of concentration 'C' g equiv/litre has a specific resistanc...

    Text Solution

    |

  7. The solution of CuSO(4) in which copper rod is immersed is diluted to ...

    Text Solution

    |

  8. The standard oxidation potential E^@ for the half cell reaction are ...

    Text Solution

    |

  9. The Gibbs energy for the decomposition of Al(2)O(3) at 500^(@)C is as ...

    Text Solution

    |

  10. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

    Text Solution

    |

  11. The concentration of potassium ions inside a biological cell is at lea...

    Text Solution

    |

  12. The concentration of potassium ions inside a biological cell is at lea...

    Text Solution

    |

  13. For the reduction of silver ions with copper metal, the standard cell ...

    Text Solution

    |

  14. An increase in equivalent conductance of a strong electrolyte with dil...

    Text Solution

    |

  15. Which of the following expressions correctly repesents the equivalent ...

    Text Solution

    |

  16. Consider the following relations for emf of a electrochemical cell (...

    Text Solution

    |

  17. The equilibrium constant (K) for the reaction Cu(s)+2Ag^(+) (aq) rar...

    Text Solution

    |

  18. E^(@) for Fe//Fe^(2+) is +0.44 V and E^(@) for Cu//Cu^(2+) is -0.32 V....

    Text Solution

    |

  19. For the electrochemical cell, M|M^(+) ||X^(-)|X, E(M^(+)//M)^(@) = 0.4...

    Text Solution

    |

  20. Match the followings . {:(,"List - I" ,, ,"List- II") , (,(A) "Poten...

    Text Solution

    |

  21. If values of Lambda(0) of NH(4)Cl , NaOH and NaCl are 130 , 127 and 10...

    Text Solution

    |