CO2 is gas while SiO2 is solid at room temperature. Give reason.
CO2 is gas while SiO2 is solid at room temperature. Give reason.
Harshit Singh , 5 Years ago
Grade 12th pass
Inorganic Chemistry> CO2 is gas while SiO2 is solid at room te...
1 AnswersPawan Prajapati
Answer: The molecules of CO2 are held together by weak van der Waals forces of attraction which can be easily overcome by collisions of the molecules at room temperature. Consequently CO2 is a gas.
On the other hand silicon atom forms four single covalent bonds with O-atom which are tetrahedrally arranged and form a three-dimensional structure. Thus SiO2 is a high melting solid.
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