Home
Class 12
CHEMISTRY
When 0.5 amp of current was passed for 2...

When 0.5 amp of current was passed for 200 seconds, 0.34 gm of copper was deposited , the electrochemical equivalent of copper will be

A

34

B

3.4

C

0.034

D

0.0034

Text Solution

Verified by Experts

The correct Answer is:
D
`W=Zit therefore Z=(0.34)/(0.5xx200)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Test your Grasp|50 Videos

  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Test your Grasp|50 Videos

  • D AND F BLOCK ELEMENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|60 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MARVEL PUBLICATION|Exercise Test Your Grasp|30 Videos

Similar Questions

Explore conceptually related problems

A copper voltameter is connected in series with a heater coil of resistance 0.1 Omega . A steady current flows in the circuit for twenty minutes and mass of 0.99 g of copper is deposited at the cathode. If electrochemical equivalent of copper is 0.00033 gm/C , then heat generated in the coil is

A copper voltameter is in series with a heater coil of resistance 0.1 ohm. A steady current flows in the circuit for 20 minutes, and a msss of 0.99 g of copper is deposited at the cathode. If the electrochemical equivalent of copper is 0.00033 g/coulomb, calculate the heat generated in the coil.

0.2864 g of Cu was deposited on passage of a current of 0.5 ampere for 30 minutes through a copper sulphate solution. The electrochemical equivalent of copper is

A copper voltameter and water voltameter are connected in series. How much oxygen will be liberated in water voltameter when 0.5 g of copper is deposited in copper voltameter. Chemical equivalent of copper and oxygen are 32 and 8 respectively.

If a steady current of 4 amp maintained for 40 minutes, deposits 4.5 gm of zinc at the cathode and then the electro chemical equivalent will be

The chemical equivalent of copper and zinc are 32 and 108 respectively. When copper and silver voltameter are connected in series and electric current is passed through for sometimes, 1.6 g of copper is deposited. Then, the mass of silver deposited will be

A copper and a silver voltameter are connected are connected in series .How much sliver will be depsoited in the sliver volameter when 0.5 g of copper is depsited in the copper voltameter .Chmical equivalents o fcopper and silver are 32 and 108 respectively .

MARVEL PUBLICATION-ELECTROCHEMISTRY-Previous years Entrance Exams MCQ
  1. Same amount of electricity is passed through solution of ferrous chlor...

    Text Solution

    |

  2. The electrode where de-electronation takes place, acts as

    Text Solution

    |

  3. When 0.5 amp of current was passed for 200 seconds, 0.34 gm of copper ...

    Text Solution

    |

  4. Oxidizing and reducing property of elements depends upon

    Text Solution

    |

  5. The e.m.f. of the followig cell, Zn|underset((1M))(ZnSO(4))||unders...

    Text Solution

    |

  6. In SHE, platinum act as

    Text Solution

    |

  7. Reduction of takes place in fuel cell.

    Text Solution

    |

  8. De-electronation in electrochemical cell is called as

    Text Solution

    |

  9. For reaction M to M^(n+)+"ne"^(-)

    Text Solution

    |

  10. Mg + Cu^(2+) to Mg^(2+) +Cu , What is E("cell")^(0) ? E(Mg^(2+)//Mg...

    Text Solution

    |

  11. Electrochemical equlivalent weight of Cu is 3.29 xx 10^(-4) g. Cu is d...

    Text Solution

    |

  12. The number of electrons required to reduce 4.5 xx 10^(–5) g of Al^(+3)...

    Text Solution

    |

  13. When 10 ampere current is passed for 80 min., volume of H(2) gas liber...

    Text Solution

    |

  14. SRP of Sn^(2+)//Sn^(4+) is 0.5 , SRP of Au//Au^(3+) is 1.5, give react...

    Text Solution

    |

  15. Oxidation potential of unimolar calomel electrode is

    Text Solution

    |

  16. Cd|Cd^(2+)||Fe^(3+)|Fe^(2+) reaction, on +ve electrode is

    Text Solution

    |

  17. One ampere and one second = electrons.

    Text Solution

    |

  18. Molten sodium chloride conducts electricity due to the presence of

    Text Solution

    |

  19. The electrode potential of oxidation half cell

    Text Solution

    |

  20. 1 mole of electrons is passed through three electrolytic cells in seri...

    Text Solution

    |