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What is the proper name for CuSO4?

GeneralClass 8CBSEAnswered 1 Apr 2026
Answer

The proper IUPAC name for CuSO4 is copper(II) sulfate, with the systematic name being copper(2+) sulfate.

Detailed Explanation:Official Nomenclature:

  • IUPAC systematic name: Copper(II) sulfate or copper(2+) sulfate
  • Common chemical name: Cupric sulfate
  • Formula name: CuSO4

The "(II)" or "(2+)" indicates copper's oxidation state, which is essential for distinguishing from copper(I) compounds. The anhydrous form is simply copper(II) sulfate, while the hydrated form is copper(II) sulfate pentahydrate (CuSO4·5H2O).

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