Which of the following is likely to be a polar compound?

a. chcl3

b. ccl4

c. co2

d. ch4

I think the correct answer from the choices listed above is option A. CHCl3 most likely would be the polar compound. Two of the chlorine atoms that are opposite each other will cancel their pull, but the chlorine that is opposite to the hydrogen will pull more and the molecule will have a dipole in the direction of chlorine since the pull is not sufficiently offset by the hydrogen.

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf