Concept explainers
(a)
Interpretation:
For each of the given molecule, the correct dash-wedge structure is to be drawn.
Concept introduction:
In Newman projection, the two atoms directly connected by the bond of interest are shown clearly. The nearer atom is represented as a point, and the more distant atom is represented as a circle. Bonds to the front atom meet at the point whereas bonds to the back atom connect to the circle.
(b)
Interpretation:
For each of the given molecule, the corresponding Haworth projection is to be drawn.
Concept introduction:
While drawing Haworth projection, the relationship of each substituent to the plane of the ring needs to be considered. In a Haworth projection, the ring is represented as being planar, and bonds to substituents are drawn perpendicular to that plane.
(c)
Interpretation:
It is to be determined, for each given molecule, whether the given conformation is most stable.
Concept introduction:
Each substituent on a cyclohexane ring is more stable in an equatorial position than in an axial position. More space is available on equatorial position than axial position. Therefore, the diequatorial conformer is more favorable over the diaxial conformer.
(d)
Interpretation:
For the given each molecule, the Newman projection of the molecule whose conformation is not the most stable conformation, is to be drawn.
Concept introduction:
Each substituent on a cyclohexane ring is more stable in an equatorial position than in an axial position. More space is available on equatorial position than axial position. Therefore, the diequatorial conformer is more favorable over the diaxial conformer.

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Chapter 4 Solutions
Organic Chemistry: Principles And Mechanisms
- Shown below is the mechanism presented for the formation of biasplatin in reference 1 from the Background and Experiment document. The amounts used of each reactant are shown. Either draw or describe a better alternative to this mechanism. (Note that the first step represents two steps combined and the proton loss is not even shown; fixing these is not the desired improvement.) (Hints: The first step is correct, the second step is not; and the amount of the anhydride is in large excess to serve a purpose.)arrow_forwardHi I need help on the question provided in the image.arrow_forwardDraw a reasonable mechanism for the following reaction:arrow_forward
- Draw the mechanism for the following reaction: CH3 CH3 Et-OH Et Edit the reaction by drawing all steps in the appropriate boxes and connecting them with reaction arrows. Add charges where needed. Electron-flow arrows should start on the electron(s) of an atom or a bond and should end on an atom, bond, or location where a new bond should be created. H± EXP. L CONT. י Α [1] осн CH3 а CH3 :Ö Et H 0 N о S 0 Br Et-ÖH | P LL Farrow_forward20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCl. What is the molarity of the HCl?arrow_forward20.00 mL of 0.025 M HCl is titrated with 0.035 M KOH. What volume of KOH is needed?arrow_forward
- 20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCl. What is the molarity of the HCl?arrow_forward20.00 mL of 0.025 M HCl is titrated with 0.035 M KOH. What volume of KOH is needed?arrow_forward20.00 mL of 0.150 M HCl is titrated with 37.75 mL of NaOH. What is the molarity of the NaOH?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning

