For each of the following, choose the best answer (give the letter).
(i) Which one has the smaller heat of hydrogenation: (a) 1-methylcyclohexene or (b) 3-methylcyclohexene?
(ii) Which one has the larger heat of combustion: (a) (E)-cyclononene or (b) (Z)-cyclononene?
(iii) Which one is a concerted reaction: (a) acid-catalyzed dehydration of alcohol; (b) reaction of a tertiary alkyl chloride
with potassium tert-butoxide; or (c) addition of Cl 2 to an alkene?
(iv) Which one is thermodynamically more stable: (a) isobutyl radical or (b) tert-butyl radical?
(v) Which one is the rate law for an E2 reaction of an alkyl halide: (a) rate = k[RX] or (b) rate = k[RX][base]?
(vi) The major product of the reaction of methylcyclopentane with Br 2 in the presence of heat and light is which of
the following type of alkyl bromide: (a) primary; (b) secondary; or (c) tertiary?
(vii) The major product of the reaction of 1-pentene with HBr in the presence of peroxides and heat is formed via which of
the following: (a) a secondary carbocation; (b) a secondary radical; or (c) a secondary carbanion?
(viii) Stereoisomers that are not mirror images of each other and are not superimposable are:
(a) diastereomers; (b) enantiomers; (c) conformers; (d) polymers.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Radical Stability concept. You can view video lessons to learn Radical Stability. Or if you need more Radical Stability practice, you can also practice Radical Stability practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofFor each of the following, choose the best answer (give the ...as high difficulty.
How long does this problem take to solve?
Our expert Organic tutor, Jonathan took 9 minutes and 11 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.