Final answer:
Silicon tetrachloride (SiCl4) is formed by the reaction of silicon dioxide (SiO2) with chlorine (Cl2), resulting in a nonpolar covalent tetrahedral molecule.
Explanation:
Silicon tetrachloride (SiCl4) is formed by the reaction of silicon dioxide (SiO2) with chlorine (Cl2) according to the equation:
SiO2 (s) + 2C(s) + 2Cl2(g) → SiCl4 (g) + 2CO(g)
This reaction results in the formation of a covalent tetrahedral molecule that is nonpolar and a low-boiling liquid at 57°C.
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