which of the following molexules would you predict to be most polar? i. co2 ii. cf4 iii. both have the same molecular polarity why?

iii. both have the same molecular polarity

Explanation:

Both CF4 and CO2 are nonpolar molecules.

CF4 is a tetrahedral molecule, the compound is highly symmetrical hence the individual dipole moments due to the four C-F bonds cancel out thereby making the molecule to be nonpolar.

Similarly, the direction of the two dipoles in CO2 cancel out since they are directed in opposite directions making the molecule nonpolar.