Homework Answers
Correct option:
Explanation:
In the above drawing the hydrogens in blue are on the top face and the hydrogens in red are on the bottom face of the cyclohexane ring.
It is clear from the drawing that each face of the chair conformation of the cyclohexane ring has three axial and three equatorial hydrogens in an alternating pattern. Hence, the 1st option is correct.
Two substituents on the same face of the ring that are not adjacent to each other will be cis to each other. Therefore, 2nd option is incorrect.
The axial and equatoral substituents on the same face are cis to each other. Therefore, 3rd option is incorrect.
Each alternating carbon has both the axial and equatorial hydrogens. Hence, 4th option is incorrect.
Add Answer to:
of 9 Select the statement about equatorial and axial positions in cyclohexane that is correct Each...
Remove one hydrogen atom from C_1 the hexane model, and one H atom plus its bond...
Remove one hydrogen atom from C_1 the hexane model, and one H atom plus its bond from C_6. Bend the carbon chain around and join C_1 to C_6 to make cyclohexane. Mentally designate one carbon as C_1. Place the model in the chair conformation by tipping C_1 up and C_4 down. Check the conformation with the instructor. Identify the axial and equatorial hydrogens and describe their orientation relative to the plane of the ring. Look down each successive C-C bond...
Construct a model of Cyclobutane, notice that the hydrogen atoms project both above and below the...
Construct a model of Cyclobutane, notice that the hydrogen atoms project both above and below the “plane” of the ring. Now make 1,2-dichlorocyclobutane Put two chlorine atoms on the ring at adjacent positions . Is what you have built cis or trans? Construct Cyclohexane. It has two main conformational types: boat (in which two opposite carbons are bend out-of-plane in the same direction) and chair (in which two opposite carbons are bent out-of-plane in opposite directions). 1) Identify axial and...
I'm confused with the ring flip 3. (10 points) chair A. The cyclohexane ring depicted below...
I'm confused with the ring flip
3. (10 points) chair A. The cyclohexane ring depicted below undergoes a chair-flip to form CH3 H3C H3C CH3 chair lip CHa (a) Draw the missing substituents on chair A, clearly indicating whether they are in the axial or equatorial positions. (6 points) b) Are the bromide and hydroxyl groups cis or trans to each other? (2 points) (c) Is one chair conformation energetically more stable than the other? If so, indicate which chair...
(a) Given a cyclohexane framework in a chair conformation, label each position as axial (ax.) or...
(a) Given a cyclohexane framework in a chair conformation, label each position as axial (ax.) or equatorial (eq.). (b) On the same figure, label all positions that are gauche (ga.) to the Y group on carbon 1. A bin may hold more than one label.
The cyclohexane derivative shown exists primarily in the more stable of the two available chair conformations. Give the position, axial or equatorial, of each of the three groups shown in the more st...
The cyclohexane derivative shown exists primarily in the more stable of the two available chair conformations. Give the position, axial or equatorial, of each of the three groups shown in the more stable chair conformation. If a group divides its time equally between axial and equatorial positions, indicate this with ax/eq The table of "Axial Strain Energies for Monosubstituted Cyclohexanes" found in the "Strain Energy Increments" section of the Reference tool is useful for answering this question. CH-CH2 CI Group...
Is it axial, equatorial, or ax/eq? The cyclohexane derivative shown exists primarily in the more stable...
Is it axial, equatorial, or ax/eq?
The cyclohexane derivative shown exists primarily in the more stable of the two available chair conformations. Give the position, axial or equatorial, of each of the three groups shown in the more stable chair conformation. If a group divides its time equally between axial and equatorial positions, indicate this with ax/eq. The table of "Axial Strain Energies for Monosubstituted Cyclohexanes" found in the "Strain Energy Increments" section of the Reference tool is useful for...
5.5. Place the methyl groups by drawing the axial and equatorial positions on the cyclohexane structure...
5.5. Place the methyl groups by drawing the axial and equatorial positions on the cyclohexane structure in the chair conformations next to the cyclohexane derivatives named below. H H CH, H CH, CH, cis-1,2-Dimethylcyclohexane H CH, trans-1,2-Dimethylcyclohexane H CH, H CH, CH, eis-1,3-Dimethylcyclohexane CH, trans-1,3-Dimethylcyclohexane H H H CH, KO HC CH, cis-1,4-Dimethylcyclohexane н,с H trans-1,4-Dimethyleyclohexane
Draw the two chair conformations of each compound and label the substituents as axial and equatorial....
Draw the two chair conformations of each compound and label the substituents as axial and equatorial. In each case, determine which conformation is more stable. a. trans-1-ethyl-2-isopropylcyclohexane b. trans-1-ethyl-3-methylcyclohexane C. Cis-1-ethyl-4-methylcyclohexane d. cis-1-ethyl-3-methylcyclohexane
need the answer to the question: calculate the difference in energy between the axial and equatorial...
need the answer to the question:
calculate the difference in energy between the axial and equatorial
conformations.
VII. Calculations of the Conformations of Substituted Cyclohexanes In this exercise, you will examine the conformational equilibrium between axial and equatorial methylcyclohexane. Begin by drawing a methylcyclohexane using ChemDraw. Don't forget about the rings shown at the bottom of the toolbar. Chem3D will automatically put the methyl group in the low energy equatorial conformation. Minimize the energy using the calculations) menu. Select MM2...
with explanation 1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial...
with explanation
1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial and equatorial positions on chair form of cyclohexane. 2) Draw chair, half-chair and boat conformations of ethyl cyclohexane and draw an energy diagram to explain their relative stability: 3) Draw two possible chair conformations for each of the mono-substituted cyclohexanes and determine their relative stability with proper explanation. OH 4) Draw two possible chair conformations for each of the di-substituted cyclohexanes and determine their...
Remove one hydrogen atom from C_1 the hexane model, and one H atom plus its bond from C_6. Bend the carbon chain around and join C_1 to C_6 to make cyclohexane. Mentally designate one carbon as C_1. Place the model in the chair conformation by tipping C_1 up and C_4 down. Check the conformation with the instructor. Identify the axial and equatorial hydrogens and describe their orientation relative to the plane of the ring. Look down each successive C-C bond...
I'm confused with the ring flip
3. (10 points) chair A. The cyclohexane ring depicted below undergoes a chair-flip to form CH3 H3C H3C CH3 chair lip CHa (a) Draw the missing substituents on chair A, clearly indicating whether they are in the axial or equatorial positions. (6 points) b) Are the bromide and hydroxyl groups cis or trans to each other? (2 points) (c) Is one chair conformation energetically more stable than the other? If so, indicate which chair...
The cyclohexane derivative shown exists primarily in the more stable of the two available chair conformations. Give the position, axial or equatorial, of each of the three groups shown in the more stable chair conformation. If a group divides its time equally between axial and equatorial positions, indicate this with ax/eq The table of "Axial Strain Energies for Monosubstituted Cyclohexanes" found in the "Strain Energy Increments" section of the Reference tool is useful for answering this question. CH-CH2 CI Group...
Is it axial, equatorial, or ax/eq?
The cyclohexane derivative shown exists primarily in the more stable of the two available chair conformations. Give the position, axial or equatorial, of each of the three groups shown in the more stable chair conformation. If a group divides its time equally between axial and equatorial positions, indicate this with ax/eq. The table of "Axial Strain Energies for Monosubstituted Cyclohexanes" found in the "Strain Energy Increments" section of the Reference tool is useful for...
5.5. Place the methyl groups by drawing the axial and equatorial positions on the cyclohexane structure in the chair conformations next to the cyclohexane derivatives named below. H H CH, H CH, CH, cis-1,2-Dimethylcyclohexane H CH, trans-1,2-Dimethylcyclohexane H CH, H CH, CH, eis-1,3-Dimethylcyclohexane CH, trans-1,3-Dimethylcyclohexane H H H CH, KO HC CH, cis-1,4-Dimethylcyclohexane н,с H trans-1,4-Dimethyleyclohexane
Draw the two chair conformations of each compound and label the substituents as axial and equatorial. In each case, determine which conformation is more stable. a. trans-1-ethyl-2-isopropylcyclohexane b. trans-1-ethyl-3-methylcyclohexane C. Cis-1-ethyl-4-methylcyclohexane d. cis-1-ethyl-3-methylcyclohexane
need the answer to the question:
calculate the difference in energy between the axial and equatorial
conformations.
VII. Calculations of the Conformations of Substituted Cyclohexanes In this exercise, you will examine the conformational equilibrium between axial and equatorial methylcyclohexane. Begin by drawing a methylcyclohexane using ChemDraw. Don't forget about the rings shown at the bottom of the toolbar. Chem3D will automatically put the methyl group in the low energy equatorial conformation. Minimize the energy using the calculations) menu. Select MM2...
with explanation
1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial and equatorial positions on chair form of cyclohexane. 2) Draw chair, half-chair and boat conformations of ethyl cyclohexane and draw an energy diagram to explain their relative stability: 3) Draw two possible chair conformations for each of the mono-substituted cyclohexanes and determine their relative stability with proper explanation. OH 4) Draw two possible chair conformations for each of the di-substituted cyclohexanes and determine their...
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