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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

An element which occurs in the first short period has an outer electronic structure . What are the formula and acid-base character of its oxide?

Answer: (C)

Solution

An outer configuration corresponds to a group 13 element, with valency 3 (loses all 3 valence electrons). Its oxide therefore has the formula (ruling out and ). Group 13

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Question ID VK-133279