Question

NF3 is possible , but NF5 is not. Why ?​

Answer 1

Answer:

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Explanation:

It has 5 electrons in its outer most orbit,but take a look at the electronic configuration . It has 3 electrons in 2p orbital. Since there is no vacant 2d orbital (which is also not possible,it does not exist) to complete it's octet , that means to expand so N can only form NF3 not NF5

Answer 2

Answer:

N is 2nd Period Element

Sub shell

2S 2P

2nd period Element maximum form 4 bond

Due to vacant D orbital NF5 not exist

Explanation: