Give an example of a radical which is trivalent.

Phosphate PO43- is a trivalent radical. PO43- is a chemical derivative of phosphoric acid with a chemical name Phosphate.


It is a trivalent inorganic anion and a conjugate base of hydrogen phosphate. It is comprised of a group of salts containing the phosphate ion, the dihydrogen phosphate ion, or the hydrogen phosphate ion. and positively charged ions such as calcium or sodium; another group composed of esters.



Listed below are uses of phosphate

  • It is used in pharmaceuticals and personal products.
  • It is used in fire extinguishers.
  • It is used in institutional and industrial cleaners.
  • It is used in toothpastes as a polishing agent.

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