In equilibrium: SCN⁻(aq) (colourless) + Fe⁺³(aq) (yellow) ⇌ [Fe(SCN)]²⁺(aq) (deep red). If thiocyana — Chemical Equilibrium Chemistry Question
Question
In equilibrium: SCN⁻(aq) (colourless) + Fe⁺³(aq) (yellow) ⇌ [Fe(SCN)]²⁺(aq) (deep red). If thiocyanate ions are added in equilibrium mixture
Answer: C
💡 Solution & Explanation
Adding more reactant (SCN⁻ ions) will cause the system to shift in the forward direction according to Le Chatelier's principle. This increases the concentration of the product [Fe(SCN)]²⁺, deepening the red colour. Therefore, correct answer is C.
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