Account for the following:

(i) $N{H}_{3}$ is a stronger base than $P{H}_{3}.$

(ii) Sulphur has a greater tendency for catenation than oxygen.

(iii) Bond dissociation energy of ${F}_{2}$ is less than that of $C{l}_{2}.$

Concept Videos :-

#2 | 15th Group: Properties: II
#3 | 15th Group: Ammonia

Concept Questions :-

group 15 ,preparation and properties