Hybridisation doubt

  • #1
There is an example given in my textbook showing the structure of BF3. In it, they have hybridised the orbitals of B to sp2, but not of F. It's written sp2-p overlapping. Why isn't flourine also hybridised, seeing it has 3 lone pairs and 1 bond pair, it could have sp3 hybridisation? Also, in general when does hybridisation take place and when does it not?
 

Answers and Replies

  • #2
Borek
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Why isn't flourine also hybridised, seeing it has 3 lone pairs and 1 bond pair, it could have sp3 hybridisation?
Would it change the final geometry of the molecule?
 
  • #3
No, I don't think it would. Is that somehow related to the answer?
 
  • #4
Borek
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Then it doesn't matter.
 
  • #5
Then it doesn't matter.
I don't get it, how would the orbitals be arranged in fluorine then?
 
  • #6
Borek
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It doesn't matter for the shape of the molecule - you can assume there is no hybridization and orbitals in fluorine are in their standard one s and three p arrangement.

Please remember hybridization is largely a mathematical concept that helps understand what is going on, but is only an approximation of reality.
 

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