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MHT CET202014 Oct 2020Morning ShiftChemistryRedox ReactionsActual

Identify the oxidation state of Cr in K ₃ [ Cr ( C ₂ O ₄ )₃ ]

Options

  1. A+3
  2. B+2
  3. C+6
  4. D+5

Correct answer

A. +3

Step-by-step solution

Oxalate C ₂ O ₄²⁻ K ₃ [ Cr ( C ₂ O ₄ )₃ ] (1 3)+ Cr +(-2 3)=0 3+ Cr -6=0 Cr =+3

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