New answers tagged halides
1
In phosphorus trihalides backbonding effect is not as big as boron trihalides. Firstly boron trihalides are trigonal planar and have an empty-and-small p orbital (violates the octet rule), so it is favourable that the p orbitals of the boron and the halogen atom will overlap; meanwhile phosphorus trihalides are trigonal pyramidal which is less favourable for ...
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