Home
Class 12
CHEMISTRY
What current is to be passed for 0.25 s ...

What current is to be passed for 0.25 s for deposition of a certain weight of metal, which is equal to its electrochemical equivalent?

A

`4A`

B

`100A`

C

`200A`

D

`2A`

Text Solution

Verified by Experts

The correct Answer is:
A
Electrochemical equivalent is the weight deposited by 1 coulomb.
`Q=Ixxttherefore1=Ixx0.25` or `I=4A`.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    PRADEEP|Exercise VALUE BASED QUESTIONS WITH ANWER (Multiple Choice Questions-II)|7 Videos

  • ELECTROCHEMISTRY

    PRADEEP|Exercise VALUE BASED QUESTIONS WITH ANWER (Multiple Choice Questions-III Based on the given Passage/Comprehension)|13 Videos

  • ELECTROCHEMISTRY

    PRADEEP|Exercise HIGHER ORDER THINKING SKILLS (HOTS PROBLEMS)|13 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise IMPORTANT QUESTIONS|30 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise Curiosity Questions|2 Videos

Similar Questions

Explore conceptually related problems

What current is to be passed for 0.25 sec for deposition of certain weight of metal which is equal to its electrochemical equivalent ?

A current I is passed for a time t through a number of voltameters. If m is the mass of a substance deposited on an electrode and z is its electrochemical equivalent, then

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 current of 9.95 amp following for 10 minutes, deposits 3 gm of a metal. Equivalent weight of the metal is:

PRADEEP-ELECTROCHEMISTRY-VALUE BASED QUESTIONS WITH ANWER (Multiple Choice Questions-I)
  1. Rechargable batteries include which of the those below? (P) Dry cell...

    Text Solution

    |

  2. Select the correct direct form of the given sentence. She asked her mo...

    Text Solution

    |

  3. What current is to be passed for 0.25 s for deposition of a certain we...

    Text Solution

    |

  4. In an exper iment 0.04F was passed through 400mL of 1 M solution of Na...

    Text Solution

    |

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

    Text Solution

    |

  6. Two Faraday of electricity is passed through a solution of CuSO(4). Th...

    Text Solution

    |

  7. One Faraday of electricity is pa ssed through molten Al(2)O(3), aqeuso...

    Text Solution

    |

  8. 9.65C of electric current is passed through fused anhydrous magnesium ...

    Text Solution

    |

  9. A current is passed through two cells connected in series. The first c...

    Text Solution

    |

  10. A current of 2.0A passed for 5 hours through a molten metal salt depos...

    Text Solution

    |

  11. Salts of A (atomic mass 15) B (atomic mass 27) and C (atomic mass 48) ...

    Text Solution

    |

  12. Al2 O3 is reduced by electrolysis at ow potentials and high currents,...

    Text Solution

    |

  13. When 0.1 mol MnO(4)^(2-) is oxidized the quantity of electricity requi...

    Text Solution

    |

  14. The weight of silver (at wt. = 108) displaced by a quantity of electri...

    Text Solution

    |

  15. During the electrolysis of molten sodium chloride, the time required t...

    Text Solution

    |

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

    Text Solution

    |

  17. The resistance of a 0.10 M weak acid HA in a conductivity cell is 2.0x...

    Text Solution

    |

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

    Text Solution

    |

  19. The seqeunce of ionic mobility in the aqueous solution is

    Text Solution

    |

  20. The equivalent conductance of NaCl at concentration C and at infinite ...

    Text Solution

    |