Exam 3 Flashcards
1
Q
Common name for CH2Cl2
A
Methylene Chloride
2
Q
Common name for CHCl3
A
Chloroform
3
Q
factors affecting sn reactions
A
the strength of the nucleophile, the structure of the alkyl group in R-X, the structure of the leaving group, the solvent polarity.
4
Q
sn1 reactions proceed when…
A
3 degree or 2 degree carbocations formed as intermediates.
governed by stabilities of carbocation.
3,2,1.
5
Q
sn2 reactions proceed when…
A
halogens or 1 or 2 degree alkyl halides.
governed by steric factors like the ease of approach
1,2,3.
6
Q
what are bad leaving groups?
A
NH2 is worst, then CH3O, then HO-.
