Concept explainers
(a)
Interpretation: The orientation of
Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.
(b)
Interpretation: The location of substituent on
Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.
(c)
Interpretation: The orientation of an equatorial
Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.
(d)
Interpretation: The orientation of substituent
Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.
(e)
Interpretation: The location of substituent on
Concept introduction: Cis–trans isomers are geometrical isomers. Cis-isomer contains two groups on the same side of the ring. Trans-isomer contains two groups on the opposite side of the ring.
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
ORGANIC CHEMISTRY
- Is 2-methyl-prop-1-ene symmetric? Please explain why with emphasis on the hybridization of each carbon in the C-C double bond.arrow_forwardCYCLOHEXANE 2D REPRESENTATION Cyclohexane Chair by stereoaisier H H H. „CH2. H CH H. H H V STAGGERED O ECLIPSED O 1,3-DIAXIAL INTERACTION CHAIR BOAT CHAIR In which conformation are the hydrogen atoms farthest apart? Which is the preferred conformation? Give reasons for your answer. Which is the eclipsed conformation?arrow_forward5. Select the most stable conformer of cis-1, 3- cyclohexane diol. HO OH OH OH НО. OH Брон OH OH B D A) A B) B C) C D) DE) E OHarrow_forward
- 8. Circle the descriptor that most accurately characterizes the relationship between the two molecules represented below. Assume there is free rotation about single bonds. CH3 H diastereomers CI Br Br enantiomers CI non-isomers / identical structures constitutional isomers non-isomers / different structures atropisomers geometric isomers H -H CH3 H H3C CH3arrow_forwardHow many chirality centers exist on this molecule? What is the absolute configuration of the primary alcohol in this structure? How many lone pairs are on the structure? How many sp2 hybridized atoms are on the structure?arrow_forwardAnswer the following questions about compound A, which contains a CH3 group and OH group bonded to the carbon skeleton that consists of three six-membered rings in the conformation shown a.) Are the CH3 and OH groups oriented cis or trans to each other?b.) Is a substituent on Ca that is cis to the CH3 group located in the axial or equatorial position? c.) Is an equatorial Br at Cb oriented cis or trans to the OH group?d.) Is the H atom on Cc located cis or trans to the OH group?e.) Is a substituent on Cd that is trans to the OH group located in the axial or equatorial position?arrow_forward
- Draw all six ketone constitutional isomers of the formula C6H12O Follow the instructions and draw the five different possible arrangements of six carbon units. For parts A-C, draw only the six carbon atoms and Do Not draw the ketone. A:draw the structure containing six carbons in the longest parent chain. B: draw the two structures containing five carbons in the longest parent chain. C: Draw the two structures containing four carbons in the longest parent chain. D: Using the five structures from parts A,B,&C as a guide, draw the skeletal structures of the six constitutional isomers of C6H12O that are ketones.arrow_forwardA CH3 *** CH3 E 6 74 CH3 trans trans Cis Cis 4. Draw a constitutional isomer and a stereoisomer of the compound below. CH₂ A CH3arrow_forward19. Refer to the molecule below. (1) Draw the newman projection for carbon #1 and #2. Let the carbon #1 containing the methyl group to be at the front while carbon #2 containing the methyl and ethyl group to be at the back of the newman projection. (2) Rotate the carbon #1 to 60 degree for 6 times until a 360 degree rotation was achieved. (3) Encircle the MOST UNSTABLE conformation. 4 3arrow_forward
- For 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_forward4. Which structure below represents the most stable conformation of cis-1-t-butyl-4-methylcyclohexane? A B D 5. The planar form of which ring would have bond angles close to the tetrahedral value, but is destabilized by eclipsing interactions (torsional strain)? Which of the following statements about conformations is FALSE? A) Conformations can be isolated and separated at room temperature B) Conformations are interconverted by rotation about o-bonds C) For butane the staggered anti conformation is the most stable D) For ethane the eclipsed conformation is the least stable 6. 7. Which of the following compounds has two chirality centers? .H H. H3Carrow_forward2) In the space below, draw all of the stereoisomers of molecule a. a) CH 3 H-C-F H-C-F F-C-H CH3arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning