Home
Class 12
CHEMISTRY
What is corrosion?...

What is corrosion?

Text Solution

Verified by Experts

Destruction of metals by chemical and electrochemical agencies of atomospheric is called corrosion.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    SUBHASH PUBLICATION|Exercise Problem Section|25 Videos

  • CO-ORDINATION COMPOUNDS

    SUBHASH PUBLICATION|Exercise Questions|33 Videos

  • EXAM QUESTION PAPER JULY WITH ANSWER (2015)

    SUBHASH PUBLICATION|Exercise PART E|21 Videos

Similar Questions

Explore conceptually related problems

a. Define corrosion. b. What is corrosion of iron called? c.Why corrosion of ironis a serious problem? d. How we can prevent corrosion of iron? e. How will you recognise the corrosion of silver? OR Why does silver turn blackish when exposed to air?

State reason for the following : (i) Non-metals cannot displace hydrogen from the acids. (ii) Hydrogen is not a metal, yet it is placed in the activity series of metals. (iii) Aluminium is more reactive than iron, yet its corrosion is less than that of iron.

(i) What is meant by corrosion ? (ii) Why do aluminium sheets not corrode easily. (iii) Why is copper vessel covered with a green coating in rainy season ?

Explain the term corrosion.

Why corrosion of iron is a serious problem?

Name two metals which do not correct easily . Give an example in each of the following case to support that : (i) Corrosion of some metals is an advantage. (ii) Corrosion of a metal is a serious problem .

The technique of protecting a metal from corrosion by connecting it to a second metal ( which is more easily oxidised) is called.

SUBHASH PUBLICATION-ELECTROCHEMISTRY-Problem Section
  1. What is corrosion?

    Text Solution

    |

  2. E(cu)^(0)=0.34 and E(zn)^(0)=-0.76V. Calculate E("cell")^(0).

    Text Solution

    |

  3. E(Cu)^(0)=+0.34V and E(Ag)^(0)=+0.8V" calculate "E(cell")^(0).

    Text Solution

    |

  4. Calculate the EMF of the cell for the reaction. Mg((s))+2Ag((aq))^+ ...

    Text Solution

    |

  5. Calculate the e.m.f. of the cell in which the following reaction takes...

    Text Solution

    |

  6. Represent the cell in which the following reaction takes place Mg(s)...

    Text Solution

    |

  7. Calculate EMF of the cell represents below Zn//Zn^(2+)(C=0.1M)||Cu^(2+...

    Text Solution

    |

  8. For the standard cell Cu(s)|Cu^(2+)(aq)||Ag^(+)(aq)|Ag(s). [E((Cu^(2+)...

    Text Solution

    |

  9. For the standard cell Cu(s)|Cu^(2+)(aq)||Ag^(+)(aq)|Ag(s). [E((Cu^(2+)...

    Text Solution

    |

  10. Find the value of AG^(@) at 25^(@)C for the following electrochemical ...

    Text Solution

    |

  11. Calculate e.m.f. of cell for the reaction : Mg((s))+Cu^(2+)"(0.0001 ...

    Text Solution

    |

  12. Calculate DeltarG^@ for the following reactions: Fe^(+2) (aq)+Ag^(+)...

    Text Solution

    |

  13. Find the value of AG^(@) at 25^(@)C for the following electrochemical ...

    Text Solution

    |

  14. (a) The electrode potential for the Daniell cell given below is 1.1 V....

    Text Solution

    |

  15. Calculate standard free energy change for reaction Zn(S)+2Ag^(+)(aq) L...

    Text Solution

    |

  16. Calculate the equilibrium constant for the reaction Cu(s)+2Ag+(aq)ra...

    Text Solution

    |

  17. Calculate the equilibrium constant for the reaction Cu(s)+2Ag+(aq)ra...

    Text Solution

    |

  18. The cell in which of the following reaction occurs: 2Fe^(3+)(aq)+2I^...

    Text Solution

    |

  19. Resistance of a conductivity cell filled with 0.02 M KCl solution is 5...

    Text Solution

    |

  20. The resistance of solution of a salt occupying a volume between two pl...

    Text Solution

    |

  21. c) Resistance of a conductivity cell containing 0.1 M KCl solution is ...

    Text Solution

    |