The boiling point of NH3 is higher than the boiling point of PH3. Explain.

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

In NH3 the nitrogen atom is highly electronegative due to its small size so it undergoes hydrogen bonding and exists as an associated liquid where as PH3 molecule does not form hydrogen bonds due to the large size of phosphorus atom. 

Answered by  | 4th Jun, 2014, 03:23: PM