Q. The oxidation number of Cr in K2Cr2O7 is

  • (A) +6
  • (B) -5
  • (C) +3
  • (D) -4
✅ Correct Answer: (A) +6

Published by Renu Phogat ⭐ 1.50K Points at 22-Aug-2022 08:26 am in Chemistry

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