Class 12 Chemistry - Chapter The p-Block Elements NCERT Solutions | Write main differences between the prope

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Question 13

Write main differences between the properties of white phosphorus and red phosphorus.

Answer
White phosphorus Red Phosphorus

It is a soft and waxy solid. It possesses a garlic smell.

It is a hard and crystalline solid, without any smell.
It is poisonous. It is non-poisonous.
It is insoluble in water but soluble in carbon disulphide. It is insoluble in both water and carbon disulphide.
It undergoes spontaneous combustion in air. It is relatively less reactive.

In both solid and vapour states, it exists as a P4 molecule.

It exists as a chain of tetrahedral P4 units.

 

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