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NEETChemistryRedox Reactions

Which substance oxidizes the indicator diphenylamine to produce an intense blue color in titrations?

Options

  1. AMn2+
  2. BFe3+
  3. CMnO4-
  4. DCr 2 O 7 2-

Correct answer

D. Cr 2 O 7 2-

Step-by-step solution

Cr 2 O 7 2- oxidizes the indicator diphenylamine to produce an intense blue color.

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