Home
Class 12
CHEMISTRY
If a piece of iron gains 10% of its weig...

If a piece of iron gains 10% of its weight due to partial rusting into `Fe_(2)O_(3)` the percentage of total iron that has rusted is:

Text Solution

Verified by Experts

The correct Answer is:
23.3
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 4 LEVEL - I|14 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 4 LEVEL - II|13 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 2 (LEVEL - II)|17 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - II)|17 Videos

  • NOMENCLATURE OF ORGANIC COMPOUNDS

    MOTION|Exercise PREVIOUS YEAR|8 Videos

Similar Questions

Explore conceptually related problems

In Fe_(2)O_(3) , the combining power of iron is 2 and that of oxygen is 3.

Why does iron gain weight as a result of rusting ?

The equivalent weight of iron in Fe_(2)O would be:

The composition of a sample of wustite is Fe_(0.93)O_(1.0) . What is the percentage of iron present as Fe^(3+) ?

Iron is obtained on large scale from haematite Fe_(2)O_(3)

MOTION-MOLE CONCEPT-EXERCISE - 3
  1. How many moles of potassium chlorate need to be heated to produce 11.2...

    Text Solution

    |

  2. When x grams of carbon are heated with y grams of oxygen in a closed v...

    Text Solution

    |

  3. If a piece of iron gains 10% of its weight due to partial rusting into...

    Text Solution

    |

  4. A chemist wants to prepare diborane by the reaction BF(3) rarr 6 L...

    Text Solution

    |

  5. Carbon reacts with chlorine to form C""Cl(4). 36 gm of carbon was mixe...

    Text Solution

    |

  6. P(4)S(3)+8O(2) rarr P(4)O(10)+3SO(2) Calculate minimum mass of P(4)S...

    Text Solution

    |

  7. By the reaction of carbon and oxygen, a mixture of CO and CO(2) is obt...

    Text Solution

    |

  8. A fluorine disposal plant was constructed to carryout the reactions : ...

    Text Solution

    |

  9. The following process has been used to obtain iodine from oil-field dr...

    Text Solution

    |

  10. (i) K(4)Fe(CN)(6)+3H(2)SO(4) rarr 2K(2)SO(4)+FeSO(4)+6HCN (ii) 6HCN+...

    Text Solution

    |

  11. NaBr, used to produce AgBr for use in photography can itself be prepar...

    Text Solution

    |

  12. One litre of oxygen was added to one litre of a mixture of carbon mono...

    Text Solution

    |

  13. 24 gm of silicon dioxide were heated with 28.8 gm of magnesium. When t...

    Text Solution

    |

  14. A certain mixed oxide of iron contains 2.5 grams of oxygen for every 7...

    Text Solution

    |

  15. During the decomposition of 14.2 gm of a mixture of calcium carbonate ...

    Text Solution

    |

  16. 1 g of dry green algae absorbs 4.7 times 10^(-3) mole of CO(2) per hou...

    Text Solution

    |

  17. 200 ml of any gas at N.T.P. was heated with tin. Tin got converted int...

    Text Solution

    |

  18. Calculate the molarity of the following solution: (a) 4g of caustic ...

    Text Solution

    |

  19. Calculate the molarity of the following solution: (a) 4g of caustic ...

    Text Solution

    |

  20. Calculate the molarity of the following solution: (a) 4g of caustic ...

    Text Solution

    |