Home
Class 12
CHEMISTRY
E^@ of three metals A, B, C are -1.4 V,...

`E^@` of three metals A, B, C are -1.4 V, + 0.6V, - 3.4V respectively. The reducing power of these metals are in order :

A

YgtZgtZ

B

YgtXgtZ

C

ZgtXgtY

D

XgtYgtZ

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

The standard reduction potential of three metallic cations X, Y and Z are +0.52 , -3.03 and -1.18 v respectively. The order of reducing power is:

STATEMENT-1: The SRP of three metallic ions A,B,C are -0.3,-0.5,0.8 volt respectively, so oxidizing power of ions is C>A>B. STATEMENT-2: Higher the SRP, higher the oxidizing power.

Photons of frequency v are incident on the surfaces of two metals A and B of threshold frequencies 3/4v and 2/3 v respectively. The ratio of the maximum kinetic energy of electrons emitted from A to B is

Two metals A and B have reduction potentials values -0.76V and +0.34V respectively. Which of these will liberate H_2 from dil H_2SO_4 ?

A series LCR circuit is connected to an a.c. source 220 V - 50 Hz as shown in fig. If the reading of the three voltemeters V_(1), V_(2), V_(3) are 65 V, 415 V and 204 V respectively. Calculate value of capacitor C.

A series LCR circuit is connected to an a.c. source 220 V - 50 Hz as shown in fig. If the reading of the three voltmeters V_(1), V_(2), V_(3) are 65 V, 415 V and 204 V respectively. Calculate value of inductor L .

The E^@ values of MnO_4^- , Ce^(4+) and Cl_2 are 1.507, 1.61 and 1.358V respectively. Arrange these in order of increasing strength as oxidising agent.

If photons of frequency v are incident on the surface of metals A and B of threshold frequencies v/2 and v/3 respectively, the ratio of the maximum kinetic energy of electrons emitted from A to that from B is:

A series LCR circuit is connected to an a.c. source 220 V - 50 Hz as shown in fig. If the reading of the three voltemeters V_(1), V_(2), V_(3) are 65 V, 415 V and 204 V respectively. Calculate current in the circuit.

Figure shows a part of an electric circuit.The potentials at the points a,b and c are 30V,12V and 2V respectively.Find the currents through the three resistors.

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. For the reduction of silver ions with copper metal the standard cell p...

    Text Solution

    |

  2. Why does the conductivity of a solution decrease with dilution?

    Text Solution

    |

  3. E^@ of three metals A, B, C are -1.4 V, + 0.6V, - 3.4V respectively. ...

    Text Solution

    |

  4. if the E(cell)^@ for a given reaction has a negative value, then which...

    Text Solution

    |

  5. The electrode potentiasl for Cu^(2+)(aq)+barerarrCu^(+)(aq) and Cu^(+)...

    Text Solution

    |

  6. Give the standard electrode potentials: Mg^2+ / Mg = -2.37 V, Cr^3+/Cr...

    Text Solution

    |

  7. Limiting molar conductivity of NH4OH is equal to

    Text Solution

    |

  8. At 25^@C molar conductance of 0.1 molar aqueous solution of ammonum hy...

    Text Solution

    |

  9. In the button cell widely used for watches and other devices, the foll...

    Text Solution

    |

  10. A hydrogen gas electrode is made by dipping platinum wire in a solutio...

    Text Solution

    |

  11. When 0.1 mol MnO4^(2-) is oxidised, the quantity of electricity req...

    Text Solution

    |

  12. The weight of silver displaced by a quantity of electricity which disp...

    Text Solution

    |

  13. The device that converting energ into mechanical energy is called…. .

    Text Solution

    |

  14. What pressure of H2 would be required to make the e.m.f of hydrogen el...

    Text Solution

    |

  15. The molar conductivity of a 0.5 mol/dm3 solution of AgNO3 with electro...

    Text Solution

    |

  16. During the eletrolysis of molten sodium chloride, the time required to...

    Text Solution

    |

  17. The number of electrons delivered at the cathode during electrolysis b...

    Text Solution

    |

  18. if the E(cell)^@ for a given reaction has a negative value, then which...

    Text Solution

    |

  19. Zinc can be coatd on iron to produce galvanized iron but the reverse i...

    Text Solution

    |

  20. The equilibrium constant of the following redox reaction is 298K is 1x...

    Text Solution

    |