CHM 2210 Chapter Notes - Chapter 5: Haloform Reaction, Halogenation, Formal Charge
24 Feb 2014
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Compounds that possess a hydroxyl group (oh) are characterized by names ending in ol It is comprised of hydroxy group attached directly to a phenyl ring. Can be designated as primary, secondary, or tertiary i. Quite different from the physical properties of alkanes or alkyl halides. The boiling points are much higher due to hydrogen bonding that can occur between molecules i. c. Not all alcohols are miscible (which means any proportion can be dissolved) with water i. It depends on the length of the hydrophobic region present ii. As we know, the acidity of a compound can be qualitatively evaluated by analyzing the stability of its conjugate base. The conjugate base of an alcohol is called an alkoxide ion, and has a negative charge on its oxygen atom i. A negative charge on an oxygen atom is more stable than a negative charge on a carbon or nitrogen due to electronegativity ii. c.
