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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

Among the following oxides, how many are amphoteric: CO_2, PbO_2, GeO_2, B_2O_3, Al_2O_3, Tl_2O_3, Ga_2O_3, SiO_2?

Answer: 4

Solution

, and are acidic oxides, and is predominantly basic. and are well-established amphoteric oxides (consistent with Group 13's trend toward amphoteric/metallic character down the group), is a

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Question ID VK-138935