PCl5 is well known, but NCl5 is not. Because
(a) Nitrogen is less reactive than phosphorous
(b) Nitrogen doesn't have d-orbitals in its valence shell.
(c) catenation tendency is weaker in nitrogen than phosphorous
(d) size of phosphorous is larger than nitrogen
PCl5 is well known, but NCl5 is not. Because
(a) Nitrogen is less reactive than phosphorous
(b) Nitrogen doesn't have d-orbitals in its valence shell.
(c) catenation tendency is weaker in nitrogen than phosphorous
(d) size of phosphorous is larger than nitrogen
Phosphorous can expand its covalency beyond 4, as it has vacant 3d orbitals. Nitrogen can't expand its covelency beyond 4, as it does not posses vacant 3d- orbitals.
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