Which Group III hydroxide precipitate is amphoteric and dissolves completely in an excess of aqueous — Qualitative and Quantitative Analysis Chemistry Question
Question
Which Group III hydroxide precipitate is amphoteric and dissolves completely in an excess of aqueous $NaOH$ to form a soluble clear solution?
Answer: C
💡 Solution & Explanation
$Al(OH)_3$ is a gelatinous white precipitate that is amphoteric. It dissolves in excess $NaOH$ to form soluble sodium aluminate ($Na[Al(OH)_4]$).
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