Question:

The oxidation number of Cr in \( \mathrm{K_2Cr_2O_7} \) is:

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Chromium shows +6 oxidation state in dichromates.
Updated On: Jan 5, 2026
  • +3
  • +6
  • +7
  • +12
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The Correct Option is B

Solution and Explanation

Oxidation state of Cr in dichromate ion is +6.
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