CCl2F2, also known as dichlorodifluoromethane or Freon-12, is a polar molecule. Here's why:
Molecular Geometry: The molecule has a tetrahedral geometry around the central carbon atom.
Bond Polarity: The C-Cl and C-F bonds are both polar due to the difference in electronegativity between carbon and chlorine/fluorine. Fluorine is more electronegative than chlorine, and both are more electronegative than carbon.
Dipole Moment: Although the molecule is symmetrical (tetrahedral), the C-F bonds are more polar than the C-Cl bonds. The individual dipole%20moments of these polar bonds do not cancel out completely, resulting in a net dipole%20moment for the molecule. Because of this, the molecule is polar.
Overall Polarity: Since the bond dipoles do not cancel out due to the difference in electronegativity and the asymmetry in the distribution of fluorine and chlorine atoms around the central carbon atom, CCl2F2 is a polar molecule.
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