PH3 is a much weaker base than NHr Since nitrogen has no d orbitals in its valence shell, pentahalides of nitrogen are unknown. Ammonia is a Lewis base because of its strong tendency to donate its lone pair of electrons to other molecules.
|Author||:||C. Sadasivam, Sura College of Competition|
|Publisher||:||Sura Books - 2004-09-01|