Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why? 

Concept Videos :-

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

Concept Questions :-

group 15 ,preparation and properties

Structure of white phosphorus : Tetrahedral structure 

Structure of red phosphorus : Polymeric structure

White phosphorus is more reactive due to its discrete tetrahedral structure and angular strain.

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