Question

Chloroform is a polar but carbon tetrachloride is nonpolar

Answer 1

Answer:

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Explanation:

Chloroform is polar but carbon tetrachloride is non polar because:

The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar.

In this case, chloroform is considered non-polar. If one wants a more quantitative description, usually the dielectric constant is used: in this case polarity is not defined as a dichotomic characteristic, but every solvent will lie somewhere on a continuum that goes from "extremely polar" to "extremely non polar".