Exam 2 Practice Questions Flashcards
Complete the equation by predicting the major product formed in the reaction
2
(E)-6-ethyl-5-methyl-3-propyl-2-octene
Describe the configuration and angle of the Newman projection
Staggered, 60 degrees
What is the name of this molecule?
(3Z,5Z)-3-methyl-3,5-octadiene
Complete the equation by predicting the major product formed in the reaction
3-ethyl-1,1-dimethylcyclopentane
Draw structural formulas for the isomeric carbocation intermediates formed by the reaction of each alkene with HCl. Label each carbocation as primary, secondary, or tertiary, and state which, if either, of the isomeric carbocations is formed more readily.
Carbocation (a) is secondary, (b) is tertiary, and (c) is primary. In order of increasing stability, they are c < a < b
III, IV
3
Complete the equation by predicting the major product formed in the reaction
2,4,7-trimethylnoane
II, III
B
(T/F)
False
II, IV, I, III
I
Complete the equation by predicting the major product formed in the reaction
A to B
ONLY I
III
I, III
I
5
Draw (Z)-2-heptene
proton 5
Select the more stable carbocation
Complete the equation by predicting the major product formed in the reaction
III, I, IV, II
Complete the equation by predicting the major product formed in the reaction
(T/F)
False
different conformations of the same compound
4-ethyloctane
A, E conformation
What is the name of this Newman projection?
2,2,4-trimethylpentane
III, IV, II, I
Is this molecule an E or Z isomer?
E
Name this Newman projection
butane
I, II, III, IV
8
Name each alkene and specify its E/Z conformation
Is the isopropyl group in the axial or equatorial position, and is this the most stable conformer?
Equatorial, this IS the most stable
different conformations of the same compound
Name and draw a structural formula for the major product of the alkene addition reaction
III