Home
Class 12
CHEMISTRY
How long (approximate) should water be e...

How long (approximate) should water be electrolysed by passing through 100 amperes current so that the oxygen released can completely burn 27.66 g of diborane?
(Atomic weight of B = 10.8 u)

A

1.6 hours

B

6.4 hours

C

0.8 hours

D

3.2 hours

Text Solution

Verified by Experts

The correct Answer is:
D
`B_(2)H_(6) + 3O_(2) rarr B_(2)O_(3) + 3H_(2)O`
Promotional Banner

Topper's Solved these Questions

  • ELECTROLYSIS AND ELECTROLYTIC CONDUCTANCE

    RC MUKHERJEE|Exercise Problems |47 Videos

  • DILUTE SOLUTION AND COLLIGATIVE PROPERTIES

    RC MUKHERJEE|Exercise Objective problems|36 Videos

  • ELECTROMOTIVE FORCE

    RC MUKHERJEE|Exercise EXERCISE |1 Videos

Similar Questions

Explore conceptually related problems

How long (approximate) should water be electrolysed by passing through 100 ampere current so that oxygen released can completely burn 27.66 g diborane ? (Atomic weight of B = 10.8 u)

How long a current of 3amp has to be passed through a solution of AgNO_3 to coat a metal surface of 80cm^(2) with 0.005mm thick layer. Density of silver is 10g//cm^(3) and atomic weight = 108g//"mole" .

Cd amalgam is preapred by electrolysis of a solution CdCI_(2) using a mercury cathode. How long should a current of 5A be passed in order to prepare 12% Cd-Hg amalgam on a cathode of 2g, Hg ( atomic weight of Cd = 112.4)

A constant current was passed through a solution of AuCl_(4)^(c-) ion between gold electrodes. After a period of 10.0 mi n , the increase in the weight of cathode was 1.314g . The total charge passed through solution is ( atomic weight of AuCl_(4)^(c-)=339)

RC MUKHERJEE-ELECTROLYSIS AND ELECTROLYTIC CONDUCTANCE-Objective Problems
  1. In the electrolysis of H(2)O, 11.2 litres of H(2) was liberated at cat...

    Text Solution

    |

  2. The times taken by the galvanic cell which operates almost idealy unde...

    Text Solution

    |

  3. How many hour are required for a current of 3.0 ampere to decompose 18...

    Text Solution

    |

  4. A constant current of 1.50 amp is passed through an electrolytic cell ...

    Text Solution

    |

  5. Which of the following process is used in the extractive metallurgy of...

    Text Solution

    |

  6. In which of the following aqueous solutions H(2) and O(2) are not libe...

    Text Solution

    |

  7. The aqueous solutions of the following substances were electrolysed. I...

    Text Solution

    |

  8. Electrolytic conductance is due to movement of

    Text Solution

    |

  9. Which of the following equations is correct?

    Text Solution

    |

  10. Which of the following solutions of KCl has the lowest value of specif...

    Text Solution

    |

  11. Which of the following solutions of KCl has the lowest value of equiva...

    Text Solution

    |

  12. Under which of the following conditions, conductance conductivity and ...

    Text Solution

    |

  13. Which of the following is the unit of eq. conductance ?

    Text Solution

    |

  14. If V, in the equation Lambda(eq.) = kappa xx V, is the volume in CC co...

    Text Solution

    |

  15. At infinite dilution, the eq. conductances of CH(3)COONa, HCl and CH(3...

    Text Solution

    |

  16. Resistance of 0.2 M solution of an electrolyte is 50 Omega. The specif...

    Text Solution

    |

  17. The equivalent conductance of NaCl at concentration, C at infinite dil...

    Text Solution

    |

  18. Two Faraday of electricity is passed through solution of CuSO(4). The ...

    Text Solution

    |

  19. How long (approximate) should water be electrolysed by passing through...

    Text Solution

    |

  20. When an electric current is passed through acidified water, 112ml of H...

    Text Solution

    |