Chapter 3: Q3-8-Pc (page 72)
Identify the carbon atoms in the following molecules as primary, secondary, tertiary, or quaternary:
C)
Short Answer
c)
Chapter 3: Q3-8-Pc (page 72)
Identify the carbon atoms in the following molecules as primary, secondary, tertiary, or quaternary:
C)
c)
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Get started for freeIncreased substitution around a bond leads to increased strain. Take the four substituted butanes listed below, for example. For each compound, sight along the C2โC3 bond and draw Newman projections of the most stable and least stable conformations. Use the data in Table 3-5 to assign strain-energy values to each conformation. Which of the eight conformations is most strained? Which is least strained?
(a) 2-Methylbutane
(b) 2,2-Dimethylbutane
(c) 2,3-Dimethylbutane
(d) 2,2,3-Trimethylbutane
Construct a qualitative potential energy diagram for rotation about the C-C bond of 1,2-dibromo ethane. Which conformation would you expect to be most stable? Label the anti and gauche conformations of 1,2-dibromo ethane.
cis-1, 2-Dimethylcyclobutane is less stable than its trans isomer, but cis-1, 3-dimethylcyclobutane is more stable than its trans isomer. Draw the most stable conformations of both, and explain.
Draw and name all monobromo derivatives of pentane .
Draw compounds that contain the following:
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