Carbon dioxide, which has the chemical formula CO2, is non-polar. Carbon has an electronegativity of 2.5, and oxygen has an electronegativity of 3.5. 2 Answers. Get the detailed answer: Is CO32- polar or nonpolar? Each of these atoms has 2 lone pairs on each other but as there are only 2 atoms in this molecule, O2 is linear in shape. … Home. Your dashboard and recommendations. NeuroProf. Therefore, the electronegativity difference between them is 1, high enough to be considered polar covalent yet not quite high enough to be considered an ionic bond. Class Notes. Study Guides. I know the C=O bond is polar but is the molecule as a whole polar? So, it's clear that CO is in SP hybridization state. CO3 2- (Carbonate) is Nonpolar I'll tell you the polar or nonpolar list below. The carbonate ion, or CO3 2- has 24 electrons and its structure is trigonal planar. Though it might seem that it is non polar because the dipole moment will be cancelled due to symmetry but actually it has no symmetry . Also, the atoms are the same i.e Oxygen atom hence, there is no net dipole moment in the molecule. Why is O2 non-polar but O3 polar? 3.7 million tough questions answered. CO3 2-, is this molecule polar or non-polar? The carbonate ion or CO3 -2 is a trigonal planar. If you want to quickly find the word you want to search, use Ctrl + F, then type the word you want to search. Polar. Answer: Yes , CO2 is non polar . Answer to Carbon has a electronegativity of 2.5 and oxygen has an electronegativity of 3.5. It contains two polar bonds that are arranged symmetrically. Answer Save. Switch to. Homework Help. It is non-polar because the trigonal planar is symmetrical. Ace your next exam with ease. This electronic structure is symmetrical, which makes the ion non-polar. Let me explain . Explanation: A CO2 molecule is non polar due to its linear geometry. 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