Calculate the free-energy difference between the stable and unstable chair conformation of each the following trimethylhexanes. CH, CH, CH3 CH3 "CH3 B Support your answer with the drawing of conformer(s) and show your calculations. Energy cost by: H+CH3 eclipsed CH;++CH, gauche 1,3-diaxial (He»CH;) strain 1,3-diaxial (CH3+ACH;) strain Energy (kJ mol"') 6.0 3.8 3.8 15.4

Q: 1. What happens to the axial bonds when a chair conformation is converted to another chair…

A: During ring inversion process, When a chair conformation is converted into another chair…

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: See answer below.

Q: 4. Draw the most and least stable conformations of the following substituted cyclohexanes in the…

A: For most stable chair conformation, the bulky group is attached to the equatorial position

Q: Calculate the ratio of the diequatorial to diaxial conformation of this disubstituted cyclohexane at…

A: Both the methyl groups are present at the axial positions in this structure: If the methyl groups…

Q: . Write the two chair conformations of each of the following and in each part designate which…

A: According to guidelines i can answer only first question

Q: Starting from the bond-line structure provided, complete the Haworth, Chairs, and Newman structures…

A:

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: The most stable conformation of the chair is given as follows

Q: 3) Draw both chair conformations of (1S,3R)-1-chloro-3-isopropylcyclohexane. Clearly mark the most…

A:

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A: Most stable chair conformation is that faces least strain interaction.  Thus to draw the most stable…

Q: How many energetically different eclipsed conformations does 1-bromo-2-methylpropane, viewed along…

A: The Newmann projections are stable when two bulky groups or atoms have a decent separation between…

Q: Construction a qualitative potential energy for rotation about the C C Bond of 1,2-dibromoethane.…

A: The main conformations of 1,2-dibromoethane are: staggered anti, staggered gauche, and eclipsed…

Q: Using the letters in the diagrams above, complete the labeling of all staggered conformations and…

A: The Newman structure is a 2D representation of the molecule along the carbon-carbon bond. In this…

Q: Draw both chair conformations of compound M on the templates  (X and Y) provided. Indicate which…

A: The position of groups on the chair confirmation can be determined as– Here all the substitutents…

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: Chair conformation is most stable of cyclohexane and groups are placed on respective equatorial and…

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A: Given structure of the molecule is :  a = axial position  e = equatorial position For…

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A: Explanation - A conformation in which both substituents are equatorial will always be more stable…

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: Group a is at axial position. Group b is at equatorial position. Group c is at axial position.

Q: cis-2,5-dimethy-1,3-dioxane The structure of cis-2,5-dimethyl-1,3-dioxane is shown above, without…

A: A stable chair confirmation is the one where the bulky groups are in equatorial position.

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: Chair conformation is most stable and groups are attached on respective equatorial and axial…

Q: 2) Draw Newman projections of all staggered conformations of (S)-butan-2-ol. Clearly mark the…

A: Introduction: The isomers which are formed by rotating along a single bond is called a…

Q: How many different stereosomers are there for 2-bromo-3-chloropentane? 3

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: (1) Provide clear drawings of both chair conformations of trans-3(tert- butyl)cyclohexan-1-ol. (6)…

A: (i) Given compound named trans-3-(tert-butyl) cyclohexan-1-ol , have two substituents at cyclohexane…

Q: Sight along the C2-C3 bond of 2, 3-dimethylbutane, and draw a Newman projection of the most stable…

A: Newman projection of the most stable conformation, along the C2-C3 bond of 2, 3-dimethylbutane is…

Q: Make a model of each compound, draw it in its most symmetric conformation, and determine whether it…

A: The structure of trans-1,3-dibromocyclohexane is given below.

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: All the three groups  are attached to the same face of the cyclohexane ring which means they are cis…

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A:

Q: Consider the structures of both cis- and trans-1-t-butyl-3-methylcyclohexane. Which of the four…

A:

Q: Between the cis and trans configuration of 1-chloro-3-methylcyclohexane, which is the most stable…

A: Groups which are axial in the chair form of cyclohexane derivatives cause instability in the…

Q: Which of the statements below correctly describes the chair conformations of cis-1,4-…

A: Note: In both chair conformations one ethyl at axial, one ethyl at equatorial. Therefore both chari…

Q: Given that the change in free energy between axial and equatorial chlorine is 0.52 kcal.mol-1 , what…

A:

Q: Following are the alternative chair conformations for trans-1,2-dimethylcyclohexane.(a) Estimate the…

A:

Q: 8. Predict the most stable conformation of each of the following molecules and explain the basis of…

A:

Q: 17. In the space provided below please draw (cis)1,3-dimethylcyclohexane in the most unstable chair…

A: Concept:  1) most unstable conformation meaning that the molecule will have higher energy & this…

Q: Draw 2 of the chair conformations for the compounds shown below and then cricle which are most…

A: Chair confirmation is one of the most stable conformation of the cyclohexane. In chair conformation…

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A:

Q: In an eclipsed conformation of the Newman projection, the dihedral angle, which is an angle between…

A: Ans

Q: How many gauche interactions are present in the most stable chair conformation of…

A: Two conformers can be drawn for 1,1,2-trimethyl cyclohexane.  In one conformer, C-1 and C-2 methyl…

Q: 5. A saturated hydrocarbon is represented by a structural formula in which each C atom has degree 4…

A: The hydrocarbons are compounds containing only C and H atoms in the organic chain. Their are various…

Q: Make a model of each compound, draw it in its most symmetric conformation, and determine whether it…

A: A model of the given compound,  its most symmetric conformation is drawn and optical activity of…

Q: Which cyclohexane chair, axial-methyl or equatorial-methy, is higher in energy and why? Draw the…

A: 1,3-Diaxial interaction is the repulsive interaction between an axial group and two axial groups or…

Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…

A: In more stable cyclohexane chair conformation maximum groups are equatorial . Because at equatorial…

Q: 2. Draw the two chair conformations of 3-tert-utyl-1-methyleyclohexanol and estimate the amount of…

A: Given,

Q: Make a model of each compound, draw it in its most symmetric conformation, and determine whether it…

A: The given compound is 1-bromo-1-chloroethane.

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A: To tell the position of the groups , we would first draw a chair configuration of the given…

Q: 1. Draw the Newman projections for the three staggered conformations about the C3-C4 bond of the…

A: Conformers are the isomers which arises when spatial arrangement of atoms changed on single bond…

Q: Give a clear explanation handwritten answer..give the stereochemistry with most stable chair…

A:

Q: Draw the most stable chair conformation of the cis-1-Ethyl-2-methylcyclohexane and estimate the…

A: The two possible chair confirmation of cis-1-Ethyl-2-methylcyclohexane are as follows: Among the…

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…

A: