Grade 12Inorganic Chemistry
why ph5 not exist
why ph5 not exist
3 Answers
Akash Kumar Dutta
its against octet rule
Vikas TU
In PH5 phosphorous bears -5 charge dute to 5 hydrogens, which isnot possible.
plzapprove!
FITJEE
PCl5 can exist but PH5 cannot because as we know that P has electron in its d orbital and to pair it P overlap with the p orbital of chlorine which can''t be possible with s orbitals of hydrogen atom. 
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