Question

Why does not nitrogen form pentqhalides like phophorous

Answer 1

Answer:

Hlo mate!!!!

Explanation:

Nitrogen doesn't form pentahalides like phosphorus.

REASON:

Formation of pentahalides requires sp^3d hybridization of central atom .This can be obtained by transfer of electrons from central atom to empty d orbitals in excited state .As nitrogen has no d orbitals in its valence shell,it cannot undergo sp^3d hybridization like phosphorus and form pentahalides.

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Answer 2

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Answer

Given :

Nitrogen - Symbol-N- Atomic number -7

Electronic Configuration: 1s²2s²2p³

Phosphorus - Symbol -P-atomic number-15

Electronic configuration-1s²2s²2p⁶3s²3p³

Reason: 

Formation of pentahalides requires sp³d hybridization of central atom. This can be obtained by transfer of electrons from central atom to empty d-orbitals in excited state.

As nitrogen has no d orbitals in its valence shell, it cannot undergoes sp3d hybridization and hence cannot form pentahalides .

On the other hand, Phosphorus has vacant d-orbitals in its valence shell and an electron from 3s orbital can be exited to vacant d-orbitals giving 5sp³d hybrid orbitals and hence  it is able to form PCl5.

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