Home
Class 12
CHEMISTRY
During corrosion, iron is coated by...

During corrosion, iron is coated by

A

Ferric oxide

B

Ferrous oxide

C

hydrated ferrous oxide

D

hydrated ferric oxide

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Previous years Entrance Exams MCQ|55 Videos
  • D AND F BLOCK ELEMENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|60 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MARVEL PUBLICATION|Exercise Test Your Grasp|30 Videos

Similar Questions

Explore conceptually related problems

In corrosion of iron

Corrosion is essentially an electrochemical phenomenon. Explain the reactions occurring during corrosion of iron kept in an open atmosphere.

The corrosion of iron is called _____

Prevention of corrosion of iron by Zn coating is called

(a) Define corrosion, what is the nature given to corrosion of iron ? (b) Name the colour of coating formed on silver and copper when exposed to air. (c ) List two damages caused by corrosion and suggest, how these can be prevented.

MARVEL PUBLICATION-ELECTROCHEMISTRY-Test your Grasp
  1. The ECE of metal is z the mass of metal deposited by the passage of 50...

    Text Solution

    |

  2. The oxidation potential of Zn, Mg , Ni and Cu are -0.76 V, 2.37V, 0.25...

    Text Solution

    |

  3. In the lead storage battery during discharging

    Text Solution

    |

  4. The substance obtained at the cathode on electrolysis of NaOH solution

    Text Solution

    |

  5. When zinc rod is directly placed in copper sulphate solution /

    Text Solution

    |

  6. The e.mf. Of a cell depends on

    Text Solution

    |

  7. If m is the mass of a substance with equivalent weight E and Q is quan...

    Text Solution

    |

  8. When a lead storage battery is charged:

    Text Solution

    |

  9. The following four colourless salt solutions are placed in separate te...

    Text Solution

    |

  10. What will happen when copper spon is used to stir a solution of alumin...

    Text Solution

    |

  11. If a salt bridge is removed between the two half cells in an experimen...

    Text Solution

    |

  12. The quantity of electricity required to librate 0.1 g equivalent of an...

    Text Solution

    |

  13. The e.m.f of a cell containing of standard hydrogen electrode and a zi...

    Text Solution

    |

  14. The SRP of cadmium and copper electrodes are -0.4 volt and +0.34volt r...

    Text Solution

    |

  15. The e.m.f of the cell Zn|Zn^(2)||Cu^(2+)|Cu can be increased by

    Text Solution

    |

  16. The conduction of electricity occurs by a direct low of electrons unde...

    Text Solution

    |

  17. The current flow in electrolytic conductors is due to

    Text Solution

    |

  18. Which of the following acid is involved in corrosion of iron ?

    Text Solution

    |

  19. During corrosion, iron is coated by

    Text Solution

    |

  20. A hydrogen gas electrode is made by dipping platinum wire in a solutio...

    Text Solution

    |