. Explain the Structure of Ammonia


Best Answer

Ammonia is a covalent molecule. The ammonia molecule is formed due to the overlap of three sp3 hybrid orbital of N and 1s orbital of each of the three hydrogen atoms. The fourth sp3 hybrid orbital of N is occupied by a lone-pair. The H-N-H angle is 107.3°. The H-N-H bond angle is slightly less than the tetrahedral angle of 109°28 due to the lone pair - bond pair repulsions, which tend to push the N-H bonds slightly inwards. In liquid and solid state, ammonia is associated due to hydrogen bonding.

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