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Hydroxides of sodium, potassium, and calcium are
strong bases
Bases of amines, are of (blank)
moderate or wak strength
The salt formed by a carboxylic acid with an alkylamine is the salt of a (blank) respectively
weak base
In general, low molecular weight salts are
water soluble
and high molecular weight salts are
water insoluble.
The extent to which ionized molecules are soluble in water is also dependent on the presence of
intramolecular ionic interactions
Molecules with ionizable functional groups of opposite charges have the potential to interact with each(blank) rather than with water molecules
other
Molecules with ionizable functional groups of opposite charges have the potential to interact with each other rather than with water molecules When this occurs, these molecules often become
water insoluble
are molecules that contain the same number and kinds of atoms, the same arrangement of bonds, but different three-dimensional structures; they only differ in the three-dimensional arrangement of atoms in space
Stereoisomers
are pairs of molecules for which the three-dimensional arrangement of atoms represents nonsuperimposable mirror images.
Enantiomers
represent all of the other stereoisomeric compounds that are not enantiomers. Thus, the term “diastereomer” includes compounds that contain double bonds (geometric isomers) and ring systems. Unlike enantiomers, diastereomers exhibit different physicochemical properties, including, but not limited to, melting point, boiling point, solubility, and chromatographic behavior.
Diastereomers
Naproxen sodium
R(-) naproxen sodium
Dextrorphan (antitussive)
Levorphanol(analgesic)
