16th October 2019


Is cocl2 a polar molecule?

COCl2 polar molecule. The molecule has 3 areas of electron repulsion around the central C atom, so the shape is trigonal planar. Both C–Cl bonds are polar, due to the difference in electronegativity of C and Cl. Therefore the effects of these polar bonds are not cancelled and the molecule is polar overall.

Simply so, is SiO2 a molecular or ionic compound?

Silicon dioxide is very hard. It has a very high melting point (1,610 °C) and boiling point (2,230 °C), is insoluble in water, and does not conduct electricity. These properties result from the very strong covalent bonds that hold the silicon and oxygen atoms in the giant covalent structure.

Why is SiO2 a network solid?

Covalent Network Solids are giant covalent substances like diamond, graphite and silicon dioxide (silicon(IV) oxide). This page relates the structures of covalent network solids to the physical properties of the substances.

How do you determine which covalent bonds are the most polar?

The greater the difference in electronegativity the more polar the bond. When two elements are next to one another in the periodic table they have similar electronegativities. Chlorine has a value of 3.0 while bromine has a value of 2.8. These two atoms in BrCl would have a nonpolar covalent bond.
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