SiO2 is a solid while CO2 is a gas, this is because

CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen. CO2 is gas but SiO2 is solid because the SiO2 is in giant molecular structure but the CO2 is simple molecular structure.Because of this reason CO2 is gas but SiO2 is solid.

SiO2 is a solid while CO2 is a gas, this is because

CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen. CO2 is gas but SiO2 is solid because the SiO2 is in giant molecular structure but the CO2 is simple molecular structure.Because of this reason CO2 is gas but SiO2 is solid.

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SiO₂ is a solid while CO₂ is a gas, this is because

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SiO₂ contains weak vander Waal attraction while CO₂ contains strong covalent bonds

Solid SiO₂ has a three dimensional net work structure whereas CO₂ contains discrete molecules

Both contain strong covalent bonds

Both contain weak vander Waal attraction

answer is B.

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Detailed Solution

CO₂ consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen. CO₂ is gas but SiO₂ is solid because the SiO₂ is in giant molecular structure but the CO₂ is simple molecular structure.Because of this reason CO₂ is gas but SiO₂ is solid.

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