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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

An element 'X' which occurs in the first short period has an outer electronic structure . What is the formula and acid-base character of its oxides? [DCE 2007]

Answer: (C)

Solution

An element with valence configuration in the first short period (period 2) with group valency +3 is boron, whose oxide is ; being a non-metal, its oxide is

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Question ID VK-138245