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

(i) N2O3                                (ii) BrF3

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

(i) NH3, PH3, AsH3, SbH3 - increasing order of boiling points.

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

(iii) F2, Cl2, Br2, I2 - increasing order of bond dissociation enthalpy.

 

Concept Videos :-

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

Concept Questions :-

group 15 ,preparation and properties
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