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Chem 2 Test 3
Terms in this set (8)
ion in polar molecule will attract opposite charge
ex. NaCl in water- positive Na ion attract and bond to negative oxygen in water
the positive end of one polar molecule attacks the negative end of another polar molecule
special type: Hydrogen bond covalently strong bond with F, O, N
generally hydrocarbons and are nonpolar
Ion-induced dipole bond
if the nonpolar molecule (ethane) is brought near a charged species like a Na ion, the ion can induce a dipole in the nonpolar molecule
(if neg ion, it will also induce a dipole, but it will repel e- from itself, creating a pos end)
weaker than dipole-dipole bond, but stronger than a dipole induced dipole bond b/c ion induced dipole has full charge
Dipole- induced dipole bond
A molecule w/ a permanent dipole may also be capable of inducing a dipole in a nonpolar molecule
Instantaneous dipole-induced dipole bond
even nonplar molecules may exhibit very weak polar behavior
Ins. dipole- induced dipole bond
London bond (weak)
weak but gets larger as molecule as gets larger
ex. liquid hydrocarbons- benzene + hexane
can induce a dipole in a neighboring molecule
both nonpolar and no perm. dipole
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