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NEETChemistryChemical Equilibrium

What color change is observed when 0.002 M potassium thiocyanate solution is added to 0.2 M iron(III) nitrate solution?

Options

  1. AYellow to colorless
  2. BColorless to yellow
  3. CColorless to deep red
  4. DYellow to deep red

Correct answer

B. Colorless to yellow

Step-by-step solution

A reddish color appears when potassium thiocyanate is added to iron(III) nitrate solution, which changes from colorless to yellow.

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