Chemistry, asked by chaviLOVER, 8 months ago

why is CO2 a gas at room temperature,while SiO2is a solid??? please answer fast and thank you.

Answers

Answered by DaSarcasticGurl
1

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CO2 exists as a discrete single molecule as O=C=O. and due to only van der waal's interactions the intermolecular forces are not strong enough, allowing the molecules move about freely, hence it exists as a gas.

CO2 exists as a discrete single molecule as O=C=O. and due to only van der waal's interactions the intermolecular forces are not strong enough, allowing the molecules move about freely, hence it exists as a gas.SiO2 however actuall exists as a polymeric network as O-Si-O-Si......., here each Si atom is bonded to O atom by a single bond and also to 2 other O atoms making it strongly bonded. Due to this the intermolecular forces are tremendously high and molecules cannot move about freely, Hence SiO2 is a solid.

Answered by navneetyadav24
0

Answer:

co2 is gas butsio2is 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. CO2 consists of individual molecules with one central carbon atom double bonded to two oxygen atoms. Silicon does not form double bonds with oxygen.

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