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Amines — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
MCQ
What is the geometry of ammonia molecule?
  • A
    Trigonal planar
  • B
    Square planar
  • C
    Linear
  • D
    Pyramidal
✓

Answer

  1. Pyramidal

Explanation:

The nitrogen atom of ammonia undergoes hybridisation to form 4 sp3 orbitals. Three of these overlap with s orbital of H forming three N-H bonds.

This results in a pyramidal geometry with N atom at the apex and three H atoms at the corners of a triangle base.

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