Home
Class 12
CHEMISTRY
Iron is rendered passive when treated wi...

Iron is rendered passive when treated with conc. :

A

`H_(2)SO_(4)`

B

HCl

C

`H_(3)PO_(4)`

D

`HNO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-II)|65 Videos

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-III)|8 Videos

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|11 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    MODERN PUBLICATION|Exercise Recent Examination Questions|4 Videos

  • CHEMISTRY OF P - BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|20 Videos

Similar Questions

Explore conceptually related problems

Based on the above isomer answer the following (A to F). Which isomer will undergo rearrangement when treated with conc. H_2SO_4 ?

A mixture of 1-chloropropane and 2-chloropropane when treated with alcoholic KOH gives :

Benzaldehyde when heated with conc . NaOH solution gives :

(i) What happens when phenol is warmed with C Cl_(4) in presence of NaOH ? (ii) When phenol is treated with benzoyl chloride in presence of NaOH . (iii) When phenol is treated with con. H_(2)SO_(4) .

1-Phenyl-2-chloropropane when treated with alcoholic potash gives mainy :

MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. The number of moles of KMnO4 that will be needed to react with one mol...

    Text Solution

    |

  2. Silica is added to roasted copper ore during smelting in order to remo...

    Text Solution

    |

  3. Iron is rendered passive when treated with conc. :

    Text Solution

    |

  4. The principal oxidation state of lanthanides is :

    Text Solution

    |

  5. The lanthanoid contraction refers to :

    Text Solution

    |

  6. Which of the following is not correct ?

    Text Solution

    |

  7. Which of the following ions is paramagnetic ?

    Text Solution

    |

  8. The separation of landthanoids in ion exchange method is based on :

    Text Solution

    |

  9. which of the following has the smallest ionic radius ?

    Text Solution

    |

  10. Zr and Hf have almost identical atomic radii. Give reason.

    Text Solution

    |

  11. The colour of lanthoanoids and actinoids is due to :

    Text Solution

    |

  12. Which of the following has tendency to act as an oxidising agent ?

    Text Solution

    |

  13. Which of the following pairs has almost same colours ?

    Text Solution

    |

  14. Which of the following good oxidising agent ?

    Text Solution

    |

  15. The major component of alloys of lanthanides is

    Text Solution

    |

  16. The lanthanide contraction is responsible for the fact that

    Text Solution

    |

  17. The electronic configuration of terbium (IV) (At no. 65) is

    Text Solution

    |

  18. Which of the following ions will exhibit colour in aqueous solutions ?

    Text Solution

    |

  19. The lanthanoid elements than has the electronic configuration. [Xe] 4f...

    Text Solution

    |

  20. Which of the following hydroxide has maximum basic character ?

    Text Solution

    |