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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Which of these forms nitride with nitrogen at higher temperature?
  • A
    Aluminium
  • B
    Boron
  • ✓
    Both $A$ and $B$
  • D
    Indium
✓

Answer

Correct option: C.
Both $A$ and $B$
Aluminium and boron forms nitride with nitrogen at higher temperature due to the high bond energy of nitrogen. In case of aluminium, a thin oxide layer is formed so it also needs high temperature to react with nitrogen to form the nitride.

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