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MHT CET202014 Oct 2020Evening ShiftChemistryRedox ReactionsActual

The sum of oxidation states of all atoms in Cr ₂ O ₇²⁻ ion is

Options

  1. AZero
  2. B-2
  3. C+2
  4. D-1

Correct answer

B. -2

Step-by-step solution

No solution

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