Question

Ph3 has low boiling point than Ammonia?explain

Answer 1

Although PH3 is a larger molecule with greater dispersion forces than ammonia, NH3 has very polar N-H bonds leading to strong hydrogen bonding. This the dominant intermolecular force and results in a greater attraction between NH3molecules than there is between PH3molecules

Answer 2

Although PH3 is a larger molecule with greater dispersion forces than ammonia, NH3 has very polar N-H bonds leading to strong hydrogen bonding. This the dominant intermolecular force and results in a greater attraction between NH3molecules than there is between PH3molecules.