(b) Consider the following tetra-substituted cyclohexane: он i. Draw the alternative chair conformations of the cyclohexane compound, shown above. List the unfavourable steric interactions for each chair conformation and determine the more stable conformation of the compound. III -

Q: Draw a qualatative potential energy diagram for rotation about the C3-C4 bond in 2-methylpentane.…

A: Conformers of 2-methylpentane are,

Q: Define cyclohexane chair conformation ?

A: Cyclohexane has six carbon atoms and each carbon atom consists of two hydrogens. Draw a chair first…

Q: Calculate the destabilization present in each eclipsed conformation. CH3. CH3 HCH3 b. a. CH3 H. CH3

A: Steric strain is an increase in energy when atoms are forced too close to one another. In eclipsed…

Q: Sight along the C2-C3 bond of 2-methylbutane. Arrange the following conformation from lowest to…

A: Concept based on the energy of different conformers of the compounds.

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

A:

Q: For 1,2-dichloroethane: a.Draw Newman projections for all eclipsed conformations formed by rotation…

A: 1,2-dichloroethane is represented as:

Q: Create a 3D model of the most stable chair conformation of  (1R,3S)-3-chlorocyclohexan-1-ol

A: In substituted cyclohexanes, stable conformation has the maximum number of substituents on the…

Q: Given that the free energy of the twist-boat conformer of cyclohexane is 5.3 kcal/mol greater than…

A:

Q: In the space provided below, write a line structure corresponding to the systematic name…

A: Conformational analysis of 3-methylhexane . Stability based on  steric hindrance.

Q: For 1,2-dichloroethane: (a) Draw Newman projections for all eclipsed conformations formed by…

A: 1,2-dichlorethane has molecular formula Cl-CH2-CH2-Cl. This molecule can rotate through C-C bond so…

Q: 6. a. Draw the following molecule as a flat ring skeletal structure with correct stereochemistry b.…

A: Cyclohexane has different conformations such as chair form, boat form, twist boat and half chair.…

Q: Which of the following cyclohexane conformation is (are) consider to be the most stable conformation…

A: Given conformations,

Q: For 1,2-dichloroethane: ( Q.) Draw Newman projections for all eclipsed conformations formed by…

A: It is used in alkanes stereochemistry which has the conformation of a chemical bond from front to…

Q: Draw the two chair conformations of cis-1,3-dimethylcyclohexane, and label all the positions as…

A: Conformers are the structures which are obtained by the rotation of C-C single bond. The common…

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: Which is more stable, cis-1,3-dimethylcyclohexane or trans-1,3-dimethyl- cyclohexane? Draw chair…

A:

Q: Draw the two chair conformations for the following compound. Explain by calculation of 1,3-diaxial…

A:

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

A:

Q: Converting a Hexagon with Substituents to a Chair Form Draw the two chair forms for the following…

A: The chair form for the given compound is shown below.

Q: (i) Gauche conformation of ethane, (ü) felipsed conformation of ethene, (iii) Staggered conformation…

A:

Q: Make a model of cyclooctatetraene in the tub conformation. Draw this conformation, andestimate the…

A: Cyclooctatetraene is non-polar in nature and is non-aromatic compound. It adopts tub shaped…

Q: Write the most stable chair conformation for each cyclonexane below. Br.

A: More the number of groups in equitorial position, more will be the stability of the conformation.…

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: Which chair conformation of trans-1-tert-butyl-4-methylcyclohexane is more stable? Clearly explain…

A: Sptaial arrangement of atoms in  molecule which can be interconverted by rotation of molecule is…

Q: 3. Draw the Newman projections of the three possible staggered conformations of 2,3-dimethylbutane,…

A: Newman projection

Q: The most stable chair conformation of 4-ethyl-1-isopropyl-2-methyl-cyclohexane where the isopropyl…

A: For the most stable chair conformation, the bulkiest group, i.e., isopropyl has to be on equatorial…

Q: B. Select the choice that best describes the relationship (conformers, constitutional isomers,…

A: Isomer are those compounds who have same molecular formula but different structural formula. It is…

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

A: Ans

Q: 2, 3-Di-tert-butyl-1, 3-butadiene exists nearly exclusively in one conformation. What is the…

A: The given compound is 2,3-di-tertbutadiene. Since, it is an alkene it should have at least two…

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: 2. Draw the two chair conformations of cis-1-ethyl-4-methylcyclohexane, and determine which of the…

A:

Q: Draw the most stable chair conformation of the all cis isomer of 4-tert-butylcyclohexane-1,3-diol

A:

Q: , Which of the following compounds is more stable? To get credit you must draw the most stable chair…

A:

Q: Draw the chair conformations of the following compounds and determine which geometric isomer is more…

A: When methylvgroup have equatorial position then it is more stable confirmation compair to the axial…

Q: Which Newman projection for the conformation of 2-methylbutane will have energy II on the potential…

A:

Q: Draw cis,cis trans-1,2,3-trimethylcyclohexane in its most stable chair conformation and Newman…

A: Given :

Q: Draw the most stable chair conformation possible for this compound. Are there any 1,3-diaxial…

A: Note: Put bulky group like isopropyl in equatorial position and write the most stable chair. Here in…

Q: Consider the images. CH3 -CH3 H3C- CH3 B ČH, A CH3 CH3 CH3 CH3 H3C- ZoH, MC- D F For…

A: The given compounds can be redraw to normal form. Then we can easily identify the cis and trans…

Q: Give the most stable conformation for (1S, 2S)-1-methoxy-2-chlorocyclohexane.

A: R/S nomenclature is based on C.I.P. rule.  1 to 2 to 3 clockwise rotation = R if 4th group is…

Q: The diaxial conformation of cis- 1,3-dimethylcyclohexane is approximately 23 kl/mol (5.4 kcal/mol)…

A: We have been asked to draw the chair conformation and show the unstability of diaxial conformation.

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

A: Given,

Q: 2D REPRESENTATION Cyclohexane Chair by stereoaisier H H H. .CH2 .H H' CH2 H. H V STAGGERED O…

A: Concepts of stereochemistry.

Q: Draw the most stable chair conformation of the trans-1-chloro-3-tert-butylcyclohexane and estimate…

A: In stable structure of cyclohexane, the bulky groups are present in the equatorial position.

Q: trans-1,4-Di-tert-butylcyclohexane exists in a normal chair conformation.…

A:

Q: Draw out the most and least preferred chair conformation of the compound below. Draw their boat…

A: The number of stereoisomers of an organic molecule depends upon the number of chiral carbon atoms…

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.