Cr2O7 + 6Fe2+ + 14H+ → 2Cr3+ +6Fe3+ + 7H2O. In the above , the…

Chemistry JAMB 1990

Cr2O7 + 6Fe2+ + 14H+ → 2Cr3+ +6Fe3+ + 7H2O. In the above , the oxidation number of chromium changed from?

  • +7 to +3 checkmark
  • +6 to +3
  • +5 to +3
  • -2 to +3

The correct answer is: A

Explanation

No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn.
Previous Question Next Question

Leave A Comment