Home
Class 12
CHEMISTRY
A dilute aqueous solution of sodium fluo...

A dilute aqueous solution of sodium fluoride is electrolyzed, the products at the anode and cathode are

A

`O_(2),H_(2)`

B

`F_(2),Na`

C

`O_(2),Na`

D

`F_(2),H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
a

`NaF:`
Cathode `: 2H^(o+)+2e^(-) rarr H_(2)`
Anode`: 4 overset(c-)(O)H rarr O_(2) +2H_(2)O+4e^(-)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exerciseassertion -Reasoning|25 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exerciseinterger|8 Videos
  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercisemultiple Correct Ansers|53 Videos
  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|29 Videos
  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives (Subjective)|14 Videos

Similar Questions

Explore conceptually related problems

When a dilute aq. Solution of Li_(2)SO_(4) is electrolysed, the products formed at the anode and cathode are respectively ?

Aqueous solution of sodium acetate is

When aqueous of sodium ethanote is electrolysed, the product(s) at anode is/are:

When an aqueous solution of sodium propionate is electrolysed the gas liberated at anode is/are

when an aqueous solution of H_2SO_4 is electrolysed the product at anodes is :

A dilute aqueous solution of CuSo_4 is electrolysed using platinum electrods. The products at the anode and cathode are:

Aqueous solution of sodium succinate on electrolysis gives mainly

An aqueous solution of Na_2SO_4 is electrolysed using Pt electrodes. The products at the cathode and anode are respectively:

A solution of sodium sulphate in water is electrolysed using inert electrodes, The products at the cathode and anode are respectively.

When Brine solution is subjected to electrolysis the gases liberated at anode and at cathode are

CENGAGE CHEMISTRY ENGLISH-ELECTROCHEMISTRY-Exercises Ingle Correct
  1. Which metal can deposit copper from copper sulphate solution ?

    Text Solution

    |

  2. On the basis of position in the electrolchemical series, the metal whi...

    Text Solution

    |

  3. A dilute aqueous solution of sodium fluoride is electrolyzed, the prod...

    Text Solution

    |

  4. Copper can be deposited from acidified copper sulphate and alkaline cu...

    Text Solution

    |

  5. Silver is removed electrolytically from 200mL of a 0.1N solution of Ag...

    Text Solution

    |

  6. Chromium plating can involve the electrolysis of an electrolyte of an ...

    Text Solution

    |

  7. Which of the following does not evolve oxygen at anode when the elect...

    Text Solution

    |

  8. Calculate the potential of the following cell : Pt|underset((2.0M)(...

    Text Solution

    |

  9. The electricity conductivity of a solution serves as a means of determ...

    Text Solution

    |

  10. A constant current was passed through a solution of AuCl(4)^(c-) ion b...

    Text Solution

    |

  11. E^(c-) for FeY^(c-)+e^(c-) rarr FeY^(2-) given: Fe+3/+2=0.77V (a)0.13...

    Text Solution

    |

  12. Calculate E^(c-) for the reactions : ZnY^(2-)hArrZn(s)+Y^(4-) where...

    Text Solution

    |

  13. The solubility product of Pb(3)(AsO(4))(2) is 4.1xx10^(-36). E^(c-) fo...

    Text Solution

    |

  14. A cell is to be constructed to show a redox change : Cr+2Cr^(3+)hArr...

    Text Solution

    |

  15. E^(c-) for Cr^(3+)+3e^(-) rarr Cr and Cr^(3+)+e^(-) rarr Cr^(2+) are -...

    Text Solution

    |

  16. The efficiency of a fuel cell si 80% and the standard heat of reaction...

    Text Solution

    |

  17. The E(cell) for a given cell is 1.2346 and 1.2340V at 300K and 310K, ...

    Text Solution

    |

  18. A curent of 3A was passed for 1 hour through an electrolyte solution o...

    Text Solution

    |

  19. The E^(c-) for Cu^(2+)//Cu^(o+),Cu^(o+)//Cu,Cu^(2+)//Cu, are 0.15V,0.5...

    Text Solution

    |

  20. Total charge required to convert three moles of Mn(2)O(4) to MnO(4)^(c...

    Text Solution

    |