In PH5 phosphorous bears -5 charge dute to 5 hydrogens, which isnot possible.
plzapprove!
FITJEE
Last Activity: 12 Years ago
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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