chemistry 12th class cbse notes


Phosphorus is an essential constituent of elements and plants. It has many allotropic forms; the important ones are:

  • White phosphorus
  • Red phosphorus
  • Black phosphorus

properties of White, Red and black Phosphorus

Uses of phosphorus:

  • Used in the manufacture of fertilisers and food grade phosphates.
  • Elemental P is used the manufacture of organo-phosphorus compounds used as pesticides.

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