Concentrated sodium hydroxide can seperate a mixture of : | Reaction Mechanism — Chem-Mantra | Chem-Mantra

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Question

Concentrated sodium hydroxide can seperate a mixture of :

Answer: B

💡 Solution & Explanation

NaOH separates when one of the metal cations forms an amphoteric oxide (Cr3+ forms soluble complex) and the other forms a basic oxide (Fe3+ forms insoluble ppt).

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