Home
Class 12
CHEMISTRY
The soldiers of Napoleon army while at A...

The soldiers of Napoleon army while at Alps during freezing winter suffered a serious problem with regard to the tin buttons of their uniform. White metallic tin buttons get converted to grey poweder. This transformation is relate to

A

an interaction with nitrogen of the air at very low temperatures

B

a change in the crystalline structure of tin

C

a change in the partial pressure of oxygen in the air

D

an interaction with water vapour contained in the humid air

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • p-BLOCK ELEMENTS-1

    VMC MODULES ENGLISH|Exercise JEE Advanced Archive|48 Videos

  • p-BLOCK ELEMENTS-1

    VMC MODULES ENGLISH|Exercise LEVEL 2|73 Videos

  • MOCK TEST 9

    VMC MODULES ENGLISH|Exercise CHEMISTRY (SECTION 2)|5 Videos

  • PERIODIC PROPERTIES OF ELEMENTS

    VMC MODULES ENGLISH|Exercise IMPECCABLE|50 Videos
VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-JEE Main Archive
  1. Glass is a:

    Text Solution

    |

  2. Graphite is a soft solid lubricant extremely difficult to melt. The re...

    Text Solution

    |

  3. The soldiers of Napoleon army while at Alps during freezing winter suf...

    Text Solution

    |

  4. Aluminium chloride exists as dimer, Al(2)Cl(6) in solid state as wel...

    Text Solution

    |

  5. The states of hybridisation of boron and oxygen atoms in boric acid (H...

    Text Solution

    |

  6. Heating an aqueous solution of aluminium chloride to dryness will give...

    Text Solution

    |

  7. The number and type of bonds between two carbon atoms in calcium carbi...

    Text Solution

    |

  8. The structure of diborane (B(2)H(6)) contains :

    Text Solution

    |

  9. in silicon dioxide :

    Text Solution

    |

  10. Which of the following oxides is amphoteric in character ?

    Text Solution

    |

  11. The stability of dihalides of Si, Ge, Sn and Pb increases steadily in ...

    Text Solution

    |

  12. Among the following substituted silanes the one which will give rise t...

    Text Solution

    |

  13. Which of the following is the correct statement ?

    Text Solution

    |

  14. The bond dissociation energy of B-F in BF(3) is 646 kJ mol^(-1) wherea...

    Text Solution

    |

  15. Boron cannot form which one of the following anions ?

    Text Solution

    |

  16. Which of the following exists as covalent crystals in the solid state?

    Text Solution

    |

  17. Match the items in Column-I with its main use listed in Column-II :

    Text Solution

    |

  18. Assertion : Among the carbon allotropes, diamond is an insulater, wher...

    Text Solution

    |

  19. The number of 2-centre-2-electron and 3-centre-2-electron bonds in B(2...

    Text Solution

    |

  20. Aluminium is usually found in +3 oxidation state. In contrast, thalliu...

    Text Solution

    |