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Linear B-A-B molecules cannot be polar. i.e. cannot have a permanent electric dipole for symmetry reasons. Stated plainly, the electronic displacement from A atom towards the two B atoms (or the other way around if A is more electronegative than B atoms) must be symmetric with respect to the central atom, ending up with a molecule without a net electric di
Similarly, non-polar (i.e., covalent or organic) compounds like naphthalene, anthracene etc. are soluble in non-polar (i.e., covalent or organic) solvents like benzene, ether, carbon tetrachloride, etc. and are very little soluble in water. My question is that if we have a non polar compound, then it seems as if it should not dissolve to any ...
Molecules like methane, carbon dioxide, and perchlorate have $\vec\mu=0$, but have some level of charge separation, making them polar (these have quadrupole moments, not sure about higher order moments). Actually, all molecules are polar by this definition, just that many aren't polar enough for this to matter.
In the case of carbon dioxide, you have two dipoles, one pointing from the carbon to an oxygen, and the other pointing to the other oxygen. Because $\mathrm{CO}_2$ is a linear molecule, the net dipole moment cancels out because the total moment is the vector sum of the moments that comprise the system, leaving just the quadrupole moment.
In the carbon dioxide molecule, all of the pairs are bonding to oxygen atoms, symmetrically. There is no, and can be no, preferred direction, so the angle is 180 degrees. Also, the fact that carbon dioxide is nonpolar is evidence of this, since the fact that oxygen has a different electronegativity would create a net moment if the angle was not ...
54. Why does carbon dioxide not sink in air if other dense gases do? We evidently do not suffocate by carbon dioxide sinking to the bottom of the atmosphere and displacing oxygen and yet there are gases that do sink. This is commonly a problem in coal mines. Lower layers can fill up with gas that is unbreathable.
Carbon dioxide has several strongly resonant energies where infrared light can be converted into vibrations and rotations of the carbon and oxygen atoms, in addition to their electronic excitations. This mechanical energy gets transferred to other atmospheric molecules during collisions, where it gets partitioned among rotational, vibrational ...
Mar 19, 2016 at 9:35. 1. Add a comment. A water molecule is like a magnet. Bring magnets together they react because of magnetic lines of force. It is said to be "polar". A piece of plastic is not magnetic, putting pieces of plastic together will not have any effect. No magnetic poles ~ "non polar". Share.
In a nonpolar solvent, these temporary dipoles induce similar temporary dipoles in neighboring solvent molecules. This induces a weak attraction between the solute and solvent molecules, allowing them to mix and dissolve. Also hydrophobic interactions play a role in the dissolution of nonpolar solutes in nonpolar solvents. Hydrophobic ...
CO2 molecule is nonpolar, but it acquires an electric dipole moment in electric field. If the electric field is also nonuniform, it can attract CO2 molecules. Share