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What is the hybridisation states of the central atoms of the followings two compounds ??? predict the structure …... the compounds are N(CH 3 ) 3 N(SiH 3 ) 3

What is the hybridisation states of the central atoms of the followings two compounds ??? predict the structure …... 
the compounds are
  1. N(CH3)3
  2. N(SiH3)3

Grade:12

1 Answers

Krishna Raajan
24 Points
7 years ago
In trimethyl ammine, the hybridisation is sp3 with a lone pair, but in case of trisilyl ammine, due to the presence of vacant d orbital in silicon, it accepts the lone pair of electrons from nitrogen making the lone pair unavailable due to which it`s hybridisation becomes sp2, trigonal planar geometry, it is p pi - d pi back bonding in case of trisilyl ammine

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