How can polar covalent bonds become nonpolar?

1 Answer
Aditya Banerjee.
Nov 15, 2016

Here's the reason for that.

Explanation:

I think, in certain cases all the polar covalent bonds of a certain molecule arrange themselves in such a geometry, that each of the polarities of the bonds cancel each other and the entire molecule thus becomes non-polar, since the net resultant moment of the entire molecule becomes zero.

For example, in carbon tetrachloride, the four polar #C-Cl# bonds are arranged in tetrahedral geometry and hence, the entire #C Cl_4# molecule is non-polar.

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