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Is there any back bonding in nf3 , pf3 , pcl3 , pbr3 , pi3 ? And find the basicity order of these?

Is there any back bonding in nf3 , pf3 , pcl3 , pbr3 , pi3 ? And find the basicity order of these?

Grade:12th pass

3 Answers

Vikas TU
14149 Points
5 years ago
pcl3 , pbr3 , pi3 may have the back – bonding concepts associated with them, as there are the vacant d orbitals present in the Halogen atom and p atoms from the P atom.Because the back bonding is the overlapping of the p orbitals ovr d orbitals.
Absence of these orbtals would not show the definte back bonding.
Arpita
13 Points
2 years ago
NF3 can not show back bonding due to the absence of d-orbital in nitrogen. Since back bonding decreases with increase in size of the surrounding atom PCl3, PBr3, PI3 rarely shows back bonding. Only PF3 shows back bonding
Yashraj
915 Points
2 years ago
NF3 PF3 > PCl3 > PBr3 > PI3 ...in accordance with the Lewis Acid

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