Home
Class 12
CHEMISTRY
When water is electrolysed, hydrogen and...

When water is electrolysed, hydrogen and oxygen gas are produced. If 1.008 g of `H_(2)` is liberated at the cathode. What mass of `O_(2)` is formed at the anode?

A

32.0g

B

16.0g

C

8.00g

D

4.00g

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Conductance and Kohlrausch s law|40 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Reasoning type|28 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 Videos

  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

When water is electrolysed, hydrogen and oxgen gas are produced. If 1.008 g of H_(2) is liberated at cathode, calcualate the mass of O_(2) is formed at anode.

When hydrogen burns is oxygen, water is formed and when water is electrolysed, then hydrogen and oxygen are produced. What type of reaction takes place : (a) in the first case. (b) in the second case ?

In what ratio by mass, hydrogen and oxygen are produced by the electrolysis of water ?

If 0.024 L of H_(2) gas is formed at the cathode, the volume of O_(2) gas formed at the anode under identical conditions, is:

In the electrolysis of an aqueous solution of NaOH , 2.8 litres of O_(2)(g) is liberated at the anode at NTP . Volume of hydrogen gas liberated at the cathode at NTP will be

The volume of oxygen liberated from 0.68g of H_(2)O_(2) is

When molten magnesium oxide was electrolysed for a certain period , 150 mg of Mg was deposited on the cathode . The volume of oxygen gas in cm^3 at STP conditions liberated at the anode during the same period is (Atomic mass of Mg = 24 g mol^(-1) )

When the electrolytis of silver sulphate was carried out by Pt electrodes. 1-6 g oxygen was liberated at the anode, the amount of silver deposited at cathode will be

Copper sulphate solution is electrolysed between two platinum electrodes. A current is passed unit 1.6 g of oxygen is liberated at anode. The amount of copper deposited at the cathode during the same period is:

What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water?

GRB PUBLICATION-ELECTROCHEMISTY-Faraday s Laws and Electrolysis
  1. A currrent of 5.0 A flows for 4.0 h through an electrlytic cell contai...

    Text Solution

    |

  2. Which statement is not true about the electrolysis of a 1 M solution o...

    Text Solution

    |

  3. When water is electrolysed, hydrogen and oxygen gas are produced. If 1...

    Text Solution

    |

  4. How many "mole"s of electrons must be removed from each "mole" of toul...

    Text Solution

    |

  5. H(2)(g) is produced industrially by electrolysis of aq. NaCl using ine...

    Text Solution

    |

  6. How many Faradays are required to reduce all the chromium in 0.150L of...

    Text Solution

    |

  7. An aqueous solution of CuSO(4) is electrolyzwed for 1.50 hours with a...

    Text Solution

    |

  8. A steady current of 1.20 ampere is passed through a solution of MCl(x)...

    Text Solution

    |

  9. If aq. CuCl(2) solution is electrolysed by using Cu electrodes then pr...

    Text Solution

    |

  10. An electrolysis cell is operated for 3000 a using a current of 1.50A. ...

    Text Solution

    |

  11. Aluminium is produced commercially by the electrolysis of Al(2)O(3). H...

    Text Solution

    |

  12. How many liters of chlorine gas, Cl(2), measured at 0^(@)C and 1 atm a...

    Text Solution

    |

  13. For how many seconds must a current of 5.00 A flow in order to deposit...

    Text Solution

    |

  14. It takes 126.5 minutes using a current of 5.15 A to deposit all of the...

    Text Solution

    |

  15. A current of 0.0965 ampere is passed for 1000 seconds through 50mL of ...

    Text Solution

    |

  16. When a current of 0.25 ampere is passed through excess of molten MCl(x...

    Text Solution

    |

  17. In an electrolytic cell the electrode at which the electrons enter the...

    Text Solution

    |

  18. A solution containing equimolar amounts of NiCl(2) and SnBr(2) is elec...

    Text Solution

    |

  19. A current of 2.0A is used to plate Ni(s) from 500mL of a 1.0M Ni^(2+)(...

    Text Solution

    |

  20. What occurs when an aqueous solution of Na(2)SO(4) containing several ...

    Text Solution

    |