(a) Using VSEPR theory predict the probable structures of the following :

(i) ${N}_{2}{O}_{3}$                                (ii) $Br{F}_{3}$

(b) Arrange the following groups of substances in the order of the property indicated against each group :

(i)  - increasing order of boiling points.

(ii) O, S, Se, Te - increasing order of electron gain enthalpy with negative sign.

(iii)  - increasing order of bond dissociation enthalpy.

Concept Videos :-

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

Concept Questions :-

group 15 ,preparation and properties