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On adding KI to a metal salt solution, no precipitate was observed but the salt solution gives yello — Qualitative and Quantitative Analysis Chemistry Question

Question

On adding KI to a metal salt solution, no precipitate was observed but the salt solution gives yellow precipitate with K2CrO4 in the presence of CH3COOH. Then the salt is :

Answer: D

💡 Solution & Explanation

BaCl2 + KI -> No ppt. BaCl2(aq) + CrO4^2- -> BaCrO4↓ (insoluble in CH3COOH acid) Yellow ppt.

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