The number of atoms of Cr and O are 6.4 × 10 10 and 9.6 × 10 10 respectively. Its…

Chemistry · NEET · NTA ExamsSome Basic Concepts of Chemistry

The number of atoms of Cr and O are 6.4 × 1010 and 9.6 × 1010 respectively.  Its empirical formula is:
  1. Cr2O3
  2. Cr2O4
  3. CrO2
  4. None of these

Answer

(C) CrO 2

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