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NEETChemistryGeneral Organic Chemistry

What is formed when iron(II) ions are oxidized to iron(III) ions in the test for nitrogen?

Options

  1. ASodium sulfate
  2. BSodium cyanide
  3. CIron(III) hexacyanidoferrate(II)
  4. DSodium hexacyanidoferrate(II)

Correct answer

C. Iron(III) hexacyanidoferrate(II)

Step-by-step solution

When iron(II) ions are oxidized to iron(III) ions, they react with sodium hexacyanidoferrate(II) to produce iron(III) hexacyanidoferrate(II), which is Prussian blue in color.

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