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Question

An element X that has the configuration ns2np1 is present in a short period of the modern periodic table. The formula and nature of its oxide is:

A
XO3,amphoteric
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B
XO3,acidic
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C
X2O3,amphoteric
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D
X2O3,basic
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Solution

The correct option is C X2O3,amphoteric
From the electronic configuration, we can say that elements belongs to the 13th group in the periodic table. The oxide will be either B2O3 or Al2O3 . These oxides have the property of reacting with both acids as well as bases to form salts so it is amphoteric in nature.

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