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Explain sp2 hybridization BF3 molecule.

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BF3 molecule 

Electronic configuration of B – 1s2 2s2 3P1 

Valance orbital representation

Electronic configuration of F – 1s2 2s2 2P5 

Valance orbital representation

 

Only one unpaired electrons is present in fluorine. Hence only 2pz orbital of fluorine involved in bond formation. 

Structure – triangular planar.

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