#NH_3# has a much higher boiling point than #PH_3# does. Why?
Pauling electronegativities of hydrogen is
Ammonia is in fact a very water like solvent given its propensity to hydrogen bond, and is very soluble in water. Contrast this with the low solubility of phosphine in water. Mind you, the smell of ammonia will literally bring tears to your eyes.
Note here that I speak of the intermolecular force, the force between individual molecules, and not the intramolecular force, the strength of