Two elements X and Y form compounds with oxygen and the following conclusion was obtained.
Compound X is a solid and conducts electricity in the molten state whereas Compound Y is a gas and a poor conductor of electricity. Which of the following statements is true?

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Element X formed an ionic compound whereas element Y formed a covalent compound.

The oxide of element X is acidic in nature whereas the oxide of element Y is basic in nature.

Element X formed a covalent compound whereas element Y formed an ionic compound.

Both X and Y are nonmetals in nature.

answer is A.

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Detailed Solution

As the oxide of X is a good conductor of electricity, it must be an ionic compound and element X must be a metal. Similarly, the element Y must be a non-metal as its oxide is a gas and a poor conductor of electricity. Y and oxygen formed a covalent bond between them as they both are non-metals.

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