Question

Why proton affinity of h2o is less than nh3?

Answer 1

the electron density on the N atom is more than that on the n atom. Hence it becomes a stronger base i.e. it extracts H+ easily which makes it have a higher proton affinity than nH3

Answer 2

Answer:

the electron density on the N atom is more than that on the n atom. Hence it becomes a stronger base i.e. it extracts H+ easily which makes it have a higher proton affinity than nH3