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Chemistry NMDCAT MCQs Moles and Avogadro's Numbers Moles and Avogadro’s Numbers
nmdcat.online July 2, 2026

The number of moles of KMnO₄ containing exactly one mole oxygen atoms is

A. 1
B. 4
C. 0.25
✓
D. 0.1

📝 Explanation

One mole KMnO₄ contains four moles oxygen atoms. Thus only 0.25 mol KMnO₄ contains one mole oxygen atoms.

📖 Additional Information

  • 1
  • 4
  • 0.25
  • 0.1

One mole KMnO₄ contains four moles oxygen atoms. Thus only 0.25 mol KMnO₄ contains one mole oxygen atoms.

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