Which of the following are gauche conformers? H. H. CH, H. H. CH3 CH3 H.C H. H,C H. CH CH CH III IV Multiple Choice I and II I and III Il and IV Il and II

Q: CH,CH3 CH2CH3 d. and "CH2CH3 CH,CH, and -CH3 е. CH,CH, "CH2CH3 f. and CH;CH CH,ČH2 CH3 CH,CH3 g.…

A: Isomers are those having same molecular formula.  Constitutional isomers are those having same…

Q: Given the cyclohexane chair conformation and four similar compounds, identify the relationship of…

A: Isomers are molecules or polyatomic ions with identical molecular formulas — that is, same number of…

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: Calculate the destabilization present in each eclipsed conformation. (See attachment)

A: Given, The energy of eclipsed conformation is given below,

Q: Rank the conformers of 1,2,4-trimethylcyclohexane in order of decreasing stability, putting the most…

A: The axial (a) and equatorial (e) position in a chain conformation of a cyclohexane ring can be…

Q: Classify each pair of compounds as constitutional isomers, stereoisomers, identical molecules, or…

A: Given : Classify each pair of compounds as constitutional isomers, stereoisomers, identical…

Q: Given the planar trisubstituted cyclohexane below, fill in all boxes (with H, Cl or Br) to complete…

A: The structure of chemical compound can be represented as structural formula. A structural formula…

Q: Calculate the destabilization present in each eclipsed conformation.

A: The energy of eclipsed conformation is given below,

Q: Sight along the C2-C3 bond of butan-2-amine (CH3CH(NH2)CH2CH3), and draw a Newman projection of the…

A: Newmann projection is a drawing where a molecule is imagined to be seen through a cylinder.We only…

Q: Which of the following are gauche conformers? CH3 H. .H H. H. H. CH3 CH3 H H. H,C H. H3C H. CH3 CH3…

A: Gauche conformation is a type of staggered conformation in which large groups at dihedral angle of…

Q: 2.68 Draw the two chair conformations of menthol, and tell which is more stable. CH3 Menthol HO…

A:

Q: H H H H H H H H H H. H. I or H II H H H. H

A: Torsional strain is the repulsion that arises between atoms or group of atoms when a molecule is…

Q: Which of the following is the Newman projection of the most stable conformation of…

A:

Q: a. Complete the Newman projection to show the molecule in its lowest energy conformation (D). F b.…

A:

Q: ch of the following best explains the reason for the relative stabilities of the conformers vn? II.…

A: Strain cause by the repulsion of  electrons in bonds .  I is eclipsed  conformation but anti-clinal…

Q: a) Draw the two ring flipped conformers of each molecule A and B. Indicate the more stable…

A:

Q: Calculate the destabilization present in each eclipsed conformation.

A:

Q: Consider the most stable chair conformation of all cis-4-tert-butyl-1,2-dimethylcyclohexane (all…

A: Given  Name of Compound  = Cis - 4 tert butyl - 1,2 di methyl  cyclohexane  Bond Angle between the…

Q: CH3 Si. H3C- CH3 Tetramethylsilane (TMS) H3C

A:

Q: Describe this conformation of butane. CH3 ный Ø ΗΨΗ H CH3 gauche eclipsed least-stable eclipsed anti

A: Conformation for butane: Generally there are 4 conformation for butane: fully eclipsed gauche…

Q: When looking down the C2-C3 bond of 2,3-dimethylbutane, what is the most stable conformer (A,B,C,…

A:

Q: Given the wedge and dashed conformers of butane, classify each conformation. H3C H3C H3C . CH3 ""CH3…

A: The given conformations of butane are in wedge and dash form, they need to be converted into Newman…

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: Which conformer is best represented at the location marked "C" on the energy diagram below? CH3 CH3…

A: II is the right answer. II represent is best represented at location marked "C" because not eclipsed…

Q: Determine whether the following pairs of structures in each set represent the same molecule or…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Which of the following is a CH3å "CH3 eclipsed conformation for butane? CH HA CH, CH CHa H CH3 H,C…

A: Eclipsed conformer is a projection in which atom or group overlap other group when see from front…

Q: The molecule (I) and (II) are || CH3 **** I Identical Enantiomers Diastereomers Constitutional…

A: Identical means when the two compounds are exactly same.  Enantiomers are non- superimposable mirror…

Q: Conformational studies on ethane-1,2-diol (HOCH2¬CH2OH) have shown the most stable conformation…

A: Gauche conformation of ethane-1,2-diol is the most stable conformation when compared to…

Q: Classify each pair of compounds as constitutional isomers, stereoisomers, identical molecules, or…

A:

Q: I. II. H CH3 H3C CH3 -H- -- H- H. H H. H3C H

A: Conformers:    Molecules that differ from each other by rotation about single bonds are called…

Q: Given the following geometric isomers: H H H A Br В ČH3 CH3 Br H What is the preferred chair…

A: in ring upper bond is wedge and lower bond is dash. for more stable cyclohexane bulky group is…

Q: Which of the following is a constitutional isomer of, and has a much lower boiling point th…

A: Isomers has same molecular formula but different structural framework.  Constitutional isomers…

Q: Question attached

A: Chair conformers (I) and (II) represent the given compound.

Q: Rank these conformations from Teast to most Stable lless c more stably H CH3 Hj C HgC CH3 H. HgC

A:

Q: B AG = 18.3 kJ/mol AG = 5.9 kJ/m. %3D ion

A: It is happen due to stearic relation between group  In axial position group are bear to each other…

Q: Menthol is a common additive to dental products, topical analgesics, decongestants and many other…

A: Menthol is a common additive to dental products, topical analgesics, decongestants and may other…

Q: Q4) shown clearly in their axial or equatorial positions. Accurately draw the two chair…

A: There are various conformation of cyclohexane which are as follows-  1- chair form 2- half chair…

Q: ing is CH3 CH3 *** CH3 CH3 H3C H. CH3 H. H. H' H. H. ČH3 IV А) I B) II С) I D) IV 40. Which of the…

A:

Q: These two compounds are each in their more stable chair conformation. (a) Which occupies more space,…

A: (a) The given compound is in more stable chair conformation. In mono substituted cyclohexane, when…

Q: Given the planar trisubstituted cyclohexane below, fill in all boxes (with H, CI or Br) to complete…

A:

Q: The most stable conformation of 1,2-dibromoethane is: Select one: Br H. Br Br H. H. Br Br H. H. Br…

A: Anti conformation is most stable

Q: Rank these conformations from least to most stable (less stable < more stable). H. CH3 H3C. H3C CYH…

A: stability of conformers is inversely proportional to strain . Van der Waals strain is strain…

Q: Consider conformer X below and the result of its ring flip conforme conformer X Which of the…

A: In Compound X, All functional group in axial position so Compound X have 1,3-diaxial intraction with…

Q: Draw the most stable conformation of the disubstituted cyclohexane below

A: Conformational isomers: The conformational isomers are formed by the rotation of a carbon-carbon…

Q: Draw the bwo chair conformations for the compound given below and circle the most stable. Br 81

A: Conformational isomers: The conformational isomers are formed by the rotation of a carbon-carbon…

Q: 20. Which of the following is a gauche conformation for butane? CH3 H, H CH3 CH3 CH3 H3C CH3 H, H YH…

A:

Q: What is the energy difference between the staggered and eclipsed conformations of…

A:

Q: Calculate the destabilization present in each eclipsed conformation.

A: Given,

Q: (2) 5. For each compound, which isomer, cis or trans, is more stable and why? You will need to…

A: Stability of conformation depends on following factors; 1. Conformation having low energy, more will…

Q: %3D 35. Which of the following chair conformations represents trans-1,4-dimethylcyclohexane? IV A) I…

A: Trans-1,4-dimethylcyclohexane means,  Both methyl at 1st and 4th position on cyclohexane are trans…