Essential Organic Chemistry (3rd Edition)
Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 3, Problem 54P

For rotation about the C-3 8 C-4 bond of 2-methylhexane, do the following:

  1. a. Draw the Newman projection of the most stable conformer.
  2. b. Draw the Newman projection of the least stable conformer.
  3. c. About which other carbon–carbon bonds may rotation occur?
  4. d. How many of the carbon–carbon bonds in the compound have staggered conformers that are all equally stable?
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For rotation about the C-3 - C-4 bond of 2-methylhexane, do the following: a. Draw the Newman projection of the most stable conformer. b. Draw the Newman projection of the least stable conformer. c. About which other carbon–carbon bonds may rotation occur? d. How many of the carbon–carbon bonds in the compound have staggered conformers that are all equally stable?
For each compound drawn below: a. Draw representations for the cis and trans isomers using a hexagon for the six-membered ring, and wedges and dashed wedges for substituents. b.Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable? c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable? d.Which isomer, cis or trans, is more stable and why?
Draw the following conformers of hexane, considering rotation about the C3–C4 bond:   a. The most stable of all the conformers b. The least stable of all the conformers c. The gauche conformer

Chapter 3 Solutions

Essential Organic Chemistry (3rd Edition)

Ch. 3.3 - Draw a condensed and a skeletal structure for the...Ch. 3.3 - What is each compounds systematic name?Ch. 3.4 - Prob. 17PCh. 3.4 - Give two names for each of the following alkyl...Ch. 3.5 - Are the following compounds primary, secondary, or...Ch. 3.5 - Name the following amines and tell whether they...Ch. 3.5 - Draw the structures and provide systematic names...Ch. 3.6 - Predict the approximate size of the following bond...Ch. 3.7 - What is the smallest straight-chain alkane that is...Ch. 3.7 - Prob. 24PCh. 3.7 - Prob. 25PCh. 3.7 - Prob. 26PCh. 3.7 - List the compounds in each set from highest...Ch. 3.8 - Rank the following compounds in each set from most...Ch. 3.8 - In which solvent would cyclohexane have the lowest...Ch. 3.8 - Prob. 30PCh. 3.9 - Prob. 31PCh. 3.9 - a. Draw the three staggered conformations and the...Ch. 3.9 - a. Draw the most stable conformation of pentane...Ch. 3.11 - Draw 1,2,3,4,5,6-hexachlorocyclohexane with a. all...Ch. 3.12 - At any one time, would you expect there to be more...Ch. 3.13 - Prob. 36PCh. 3 - a. How many hydrogens does an alkane with 17...Ch. 3 - Prob. 2PCh. 3 - Draw a condensed structure and a skeletal...Ch. 3 - Prob. 39PCh. 3 - Prob. 40PCh. 3 - Which of the following represents a cis isomer?Ch. 3 - a. How many primary carbons does each of the...Ch. 3 - Name the following amines and tell whether they...Ch. 3 - Which of the following conformers of isobutyl...Ch. 3 - What is each compounds name? a. CH3CH2CH2OCH2CH3Ch. 3 - Draw the structural formula for an alkane that has...Ch. 3 - Which has a. the higher boiling point:...Ch. 3 - Ansaid and Motrin belong to the group of drugs...Ch. 3 - A student was given the structural formulas of...Ch. 3 - Which of the following conformers has the highest...Ch. 3 - Prob. 51PCh. 3 - Draw skeletal structures for the following: a....Ch. 3 - Prob. 53PCh. 3 - For rotation about the C-3 8 C-4 bond of...Ch. 3 - Prob. 55PCh. 3 - What is each compounds systematic name?Ch. 3 - Draw the two chair conformers for each of the...Ch. 3 - Draw the nine constitutional isomers with...Ch. 3 - Prob. 59PCh. 3 - Prob. 60PCh. 3 - Prob. 61PCh. 3 - Using Newman projections, draw the most stable...Ch. 3 - For each of the following disubstituted...Ch. 3 - Prob. 64PCh. 3 - Prob. 65PCh. 3 - What is each compounds systematic name?Ch. 3 - Prob. 67PCh. 3 - Bromine is a larger atom than chlorine, but the...Ch. 3 - Prob. 69PCh. 3 - Prob. 70PCh. 3 - a. Draw a potential energy diagram for rotation...
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