Home
Class 12
CHEMISTRY
A current of 2.0A passed for 5 hours thr...

A current of 2.0A passed for 5 hours through a molten metal salt deposits 22.2 g of metal (At. Wt. =177). The oxidation state of the metal in the metal salt is

A

`+1`

B

`+2`

C

`+3`

D

`+4`

Text Solution

Verified by Experts

The correct Answer is:
C
`E_("metal")=("Weight of metal" xx 96500 )/("Number of coulomb")`
`=(22xx96500)/(2xx5xx60xx60)=59.5`
Oxidation number of the metal = `(177)/(59.5)=+3`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (CONDUCTOR AND CONDUCTANCES)|37 Videos

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (CELL CONSTANT AND ELECTROCHEMICAL CELLS) |38 Videos

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise Assertion & Reason|11 Videos

  • COORDINATION COMPOUNDS

    ERRORLESS|Exercise ASSERTION AND REASON|7 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise ASSERTION & REASON|8 Videos

Similar Questions

Explore conceptually related problems

The oxidation state of metal in metal carbonyl is

The oxidation stat of the metal in Reinecks salt is +x, x is

A current of 2.0 ampere is passed for 5.0 hour through a molten tin salt to deposit 22.2 g tin. What is the oxidation state of tin in salt? Atomic wt. of Sn = 118.69 g .

A current of 2A is passed for 1.93 xx 10^(4)s through a molten tin salt depositing 23.8 g Sn (Aw of Sn=119) . The oxidation state of Sn in the salt is ………………………… .

The oxidation number of the d-block metal in Zeises salt is

ERRORLESS-ELECTROCHEMISTRY-NCERT BASED QUESTIONS (FARADAY.S LAW OF ELECTROLYSIS)
  1. On passing C ampere of electricity through an electrolyte solution for...

    Text Solution

    |

  2. Number of faraday's required to generate one gram atom of magnesiu fro...

    Text Solution

    |

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

    Text Solution

    |

  4. How many atoms of calcium will be deposited from a solution of CaCl(2)...

    Text Solution

    |

  5. What is the amount of chlorine evoled when 2 amperes of current is pas...

    Text Solution

    |

  6. On passing a current through molten KCl 19.5 g of K is deposited. The ...

    Text Solution

    |

  7. How much chlorine will be liberated on passing one ampere current for ...

    Text Solution

    |

  8. The electric charge for electrode deposition of one gram equivalent of...

    Text Solution

    |

  9. The number of electrons passing per second through a cross-section of ...

    Text Solution

    |

  10. Two electrolytic cells, one containing acidified ferrous sulphate and ...

    Text Solution

    |

  11. Faraday has the dimensions of-

    Text Solution

    |

  12. A current of strength 2.5 A was passed through CuSO4 solution for 6 ...

    Text Solution

    |

  13. The same current if passed through solution of silver nitrate and cupr...

    Text Solution

    |

  14. Three faradays of electricity are passed through molten Al2O3 aqueous ...

    Text Solution

    |

  15. The amount of copper deposited by one Faraday current will be maximum ...

    Text Solution

    |

  16. The number of Faradays needed to reduce 4 g equivalents of Cu^(2+) t...

    Text Solution

    |

  17. 1 coulomb of electricity is passed through a solution of AlCl(3), 13.5...

    Text Solution

    |

  18. From the solution of which of the following one faraday of electricity...

    Text Solution

    |

  19. If the aqueous solutions of the following salts are electrolysed for 1...

    Text Solution

    |

  20. Charge required to liberated 11.5 g sodium is .

    Text Solution

    |