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Chapter 2-4 notes - Which of the following are polar...

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Which of the following are polar molecules? vtpo10 A) lodoform B) Methylene Chloride (Dichloromethane) C) Benzene kJ*&'- Chapter 2: Functional Groups, Resonance, Drawing Structures D) Boron Trifluoride F-' i s pold-e Le, ' (4. / Functional Groups- You should know the following functional groups: Alkane, Alkene, Alkyne, Alcohol, Ether, Thiol, Sulfide, Arenes, Ketone, Aldehyde, Carboxylic Acid, Acid Halides, Acid Anhydride, Ester, Amide, Amine. If you do not know what these look like, consult your textbook. Drawing Structures: Molecular Formula: The least identifying. Simply tells you how many of each element is in a compound. E.g. C2H60, which could be ethanol or dimethyl ether. Condensed Structure: Lacks any sigma bonding in the structure. Not practical for large 0 14 molecules. E.g. Isopropanol will be shown like this: CY2HO1 CR 3 Partially Condensed: Shows some bonds to make positioning more clear. Not practical for large molecules c loq Kekule Structures: Known as bond-line structures, these do not show any hydrogens (they are implied) and uses "corners" to denote carbons. All other molecules are drawn. A wedge in a
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