Carbon dioxide is non-polar because of the symmetry of its bonding. 3 Answers. Answer Save. For instance, carbons within carbonyl groups have a slight positive charge which makes the carbonyl compounds have a … Explain why water has polar molecules but carbon dioxide has non-polar molecules. Polar Bond Definition . 3 Answers. There are two polar C-O bonds and the O atom is the most electronegative. 1 decade ago. Relevance. One notable aspect of polar or nonpolar bonds is that the greater the electronegative difference between the two atoms the more the bond between the two molecules will be polar. Favourite answer. Generally, CO2 is a non-polar … Because though there is difference in electronegativity, it is so small. Carbon dioxide is a linear molecule. The electronegativity difference between carbon and oxygen is 1.0, which makes the bonds polar. Account for the fact that CO2 is non polar and SO2 is polar. There are two bonding regions and no non-bonding region, therefore the shape of CO2 is bent. Both CO2 and SO2 have polar bonds. water and carbon dioxide both have polar bonds. 1 decade ago. The CO2 molecule is symmetrical, so the effect of the bond dipoles will cancel. Relevance. The one with the most satisfying answer will get 10 points from me! Answer Save. A polar bond is a covalent bond between two atoms where the electrons forming the bond are unequally distributed. Anonymous. This causes the molecule to have a slight electrical dipole moment where one end is slightly positive and the other is slightly negative. CO2 do have the polar bonds but due to symmetry of the molecules overall molecule is non polar (zero dipole moment) But yes C=O is polar bond. While each of the C=O bonds is polar, with greater electron density on the O than the C, the molecule itself has equal electron density on both sides. Polar molecule:CO2,BF3 etc.all have polar bonds but molecule is nonpolar. CO2 does not have a molecular dipole, and is therefore a non-polar molecule. Favorite Answer. Carbon dioxide is linear. I think yes but not strong. The answer has to do with molecular geometry. A molecule can have a difference greater then .5 and be non-polar if it is symmetric like carbon dioxide, the difference between carbon and oxygen is … In other words, the polarization vectors of the bonds are directly opposite each other and cancel out. CO2 is a symmetric linear molecule, O=C=O. 1 0. medoubleq. Thank you for your time. chris b. Lv 4. 1 decade ago. | Online Chemistry tutorial IIT, CBSE Chemistry, ICSE Chemistry, engineering and medical chemistry entrance exams, Chemistry Viva, Chemistry Job interviews