Concept explainers
(a)
Interpretation:
The conformation of ethane which is downhill in terms of potential energy from the eclipsed confirmation should be determined.
Concept Introduction:
A diagram which is used to denote the specific conformation of a molecule is known as Newman projection. It is classified as: Staggered conformation and Eclipsed conformation.
(b)
Interpretation:
The repulsive forces which will cause ethane in the eclipsed conformation to quickly adopt the staggered conformation should be determined.
Concept Introduction:
A diagram which is used to denote the specific conformation of a molecule is known as Newman projection. It is classified as: Staggered conformation and Eclipsed conformation.
The forces which hold the two molecules with together are known as intermolecular forces.
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Organic Chemistry: A Guided Inquiry
- Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.arrow_forwarda model of cyclohexane in a chair conformation, and explain why the names “axial” and“equatorial’ are appropriate.arrow_forwardFor 1,2-dichloroethane: a.Draw Newman projections for all eclipsed conformations formed by rotation from 0° to 360° about the carbon-carbon single bond. b.Which eclipsed conformation(s) has (have) the lowest energy? Which has (have) the highest energy? c.Which, if any, of these eclipsed conformations are related by reflection?arrow_forward
- 6. Newman projections to Lewis structures From the following Newman projections, draw the corresponding Lewis structure in the same conformation. A) B) H. H CH3 H₂C N H OH CI Br CH3 H OH CH3arrow_forward(5) a. Draw the LOWEST energy conformer of the following compound in a Newman Projection. The projection should be as if you are looking down the 2-1 C-C bond, with carbon 2 in front.arrow_forwarda. b. For the following two pairs of molecules, (1) Draw out the chair conformation for each molecule, flip the ring if it is possible. (2) Compare both molecules to circle out which one is more stable. (3) Identify their relationship as: constitutional isomer, conformational isomer, stereoisomer or identical. (4) Find all the chiral center on each molecule and label them. Br.. Ax < and and H. H H Br H Harrow_forward
- 6. Draw the two chair conformations of the molecule below. Which is the most stable? HO.arrow_forward( please answer with explantion for both correct and incorrect option ) do botharrow_forwarda. For each disubstituted cyclohexane below, draw its ring-flip isomer. Circle the most stable conformation and label the substituent groups as axial or equatorial. ( see image) b.Draw and name the seven constitutional isomers (all contain a ring of some size) for cycloalkane, C6H12.arrow_forward
- Part F. Draw the most stable sawhorse conformation of cis-1,3- diphenylcyclohexane. Part G. Draw the structure of meso-1,2-dimethylcyclopentane.arrow_forward3. For pentane draw Newman projections for the Syn-periplanar, conformation. the Anti- periplanar conformation and a Gauche conformation. Use C2 as the front carbon and C3 as the back carbon. Label each conformation, circle the highest energy conformation and underline the lowest energy conformation.arrow_forwardPlease draw the two most stable conformations (chair conformatoin I beleive) and label the most stable one if possible.arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning