Home
Class 12
CHEMISTRY
Electrode potentials (E("red")^(@)) of 4...

Electrode potentials `(E_("red")^(@))` of 4 element A,B, C,D are -1.36,-0.32,0,-1.26V respectively. The decreasing reactivity order of these elements is

A

A,D,B and C

B

C,B,D and A

C

B,D,C and A

D

C,A,D and B

Text Solution

Verified by Experts

The correct Answer is:
B
Lower is the reduction potential more easily a metal is oxidised and more is its reactivity.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    DINESH PUBLICATION|Exercise SELECTED STRAIGHT OBJECTIVE|67 Videos

  • ELECTROCHEMISTRY

    DINESH PUBLICATION|Exercise MATCH-MATRIX|7 Videos

  • ELECTROCHEMISTRY

    DINESH PUBLICATION|Exercise ADDITIONAL NUMERICAL PROBLEMS FOR PRACTICE|12 Videos

  • D-AND -F BLOCK ELEMENTS

    DINESH PUBLICATION|Exercise BRAIN STORMING MULTIPLE CHOICE QUESTIONS (MCQS)|13 Videos

  • ETHERS

    DINESH PUBLICATION|Exercise (MCQs)|8 Videos

Similar Questions

Explore conceptually related problems

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

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 E_("Red")^(@) values of A,B,C are 0.68V, - 2.54V,- 0.50V respectively. The order of their reducing power is

Standard electrode potential of three metals A,B and C are -1.5V,0.8V and -2.7V respectively. The reducing power of these of these metals will be :-

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

DINESH PUBLICATION-ELECTROCHEMISTRY-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Pure water does not conduct electricity because it :

    Text Solution

    |

  2. Which of the following reactions occurs at the anode during the rechar...

    Text Solution

    |

  3. Electrode potentials (E("red")^(@)) of 4 element A,B, C,D are -1.36,-0...

    Text Solution

    |

  4. 96500C of electricity liberates from CuSO(4) solution.

    Text Solution

    |

  5. In the cell Zn|Zn^(2+)||Cu^(2+)|Cu, the negaitve terminal is

    Text Solution

    |

  6. Which of the following is the use of electrolysis?

    Text Solution

    |

  7. In electroefining of copper a minor percentage of gold accumulates in

    Text Solution

    |

  8. In a solution of CuSO(4) how much time will be required to preciitate ...

    Text Solution

    |

  9. In the electrolysis of dilute H(2)SO(4) using platinum electrode

    Text Solution

    |

  10. 2.5 faradays of electricity is passed through solution of CuSO(4). The...

    Text Solution

    |

  11. An unknown metal M displaces nickel from nickel (II) sulphate solution...

    Text Solution

    |

  12. Chlorine cannot displace

    Text Solution

    |

  13. Reaction takes place at anode is

    Text Solution

    |

  14. Reaction that takes place at graphite anode in dry cell is

    Text Solution

    |

  15. 96500C electricity is passed through CuSO(4) the amount of copper prec...

    Text Solution

    |

  16. In the reaction , Cu(s)+2Ag^(+)(aq)rarrCu^(2+)(aq)+2Ag(s), the reduc...

    Text Solution

    |

  17. The molar conductances of NaCI, HCI and CH3 COONa at infinite dilution...

    Text Solution

    |

  18. The art of electroplating was given by

    Text Solution

    |

  19. At STP 1.12 litre of H(2) is obtained on flowing a current for 965 sec...

    Text Solution

    |

  20. A depolariser chloride

    Text Solution

    |