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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
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Analyzing
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A solution when diluted with and boiled gives a white ppt. On addition of excess , the volume of precipitate decreases due to dissolution leaving behind a white gelatinous precipitate. The precipitate which dissolves in is:
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Correct option: A
Option A () is correct because zinc hydroxide is amphoteric and dissolves in excess ammonium hydroxide due to the formation of a complex, while aluminum hydroxide forms a gelatinous precipitate.
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