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NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)
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Assertion (A) : Carbon dioxide is a gas but silicon dioxide is an infusible solid.
Reason (R) : Carbon dioxide has a linear -bonded structure.
Reason (R) : Carbon dioxide has a linear -bonded structure.
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Correct option: B
Both and are true but is not the correct explanation of .
Option B is correct because both the assertion and the reason are true, but the reason does not correctly explain why carbon dioxide is a gas and silicon dioxide is a solid. The difference in physical state is due to the ability of silicon to form extended network structures.
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