4. Circle the following molecules that have the S configuration. H CH,CH3 CH,CH3 -CH=CH2 CH3 ОН H;C- H CH;CH, CH3 `CH(CH3) 1 2 3

Q: 2. Which of the following molecules is achiral? CO2H OH HO,C CO,H H OH но čo,H CH3 Br HOIIBr C=C=C…

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Q: Place the methyl group and hydrogen atom on the structures below to depict the conformation of cis-…

A: Here, we have to place the methyl group and hydrogen atom on the given structures to depict the…

Q: d. Show the two Newman projections (looking down C1-C2, C5-C4) and indicate any gauche interactions)…

A: The Newmann projection is used in alkanes stereochemistry. The stereochemistry is the one in which…

Q: the wedges are supposed to be up, but why the both chair comformations point down? CH3 CH3 H3C CH3…

A: Two types of bonds exist in cyclohexane chair conformer. Axial and equatorial. When only a single…

Q: Shown below is one of the chair conformations of trans-1-bromo-3-methylcyclohexane, a disubstituted…

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Q: HỒ CH2OH H/ H, CÓH In its most stable chair conformation, indicate the orientation of each of the…

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Q: 5. Construct a model of cyclohexane (C6H12) and draw it below.

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Q: Starting from the wedge-and-dash structure below, rotate the back carbon to provide the Newman…

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Q: 2. Use the template below to draw a Newman projection for this conformation of the compound when…

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Q: Which Newman projection demonstrates the least stable conformation of the C3-C4 bond of…

A: To find:  Newman projection that demonstrates the least stable conformation of the C3-C4 bond of…

Q: Give the IUPAC name for each cycloalkane.

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What reagents should be used to carry out the following syntheses?

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Q: CH3 a) CI HO, HO" b) F Br HO c) Br 1101

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Q: 2. Decide whether to use E/Z nomenclature or cis or trans (or if neither are applicable). Then, draw…

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Q: 5. Select the most stable conformer of cis-1, 3- cyclohexane diol. HO OH OH OH НО. OH Брон OH OH B D…

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

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Q: CH3 H CH3

A: Newman projection of (2R,3S)-2,3-butanediol

Q: H2O, H2SO4 HgSO4 CH3-CEC-CH3 + H2 Lindlar CH3OH A H2SO4

A: Please find your solution below : Alkynes on reaction with H2SO4 and HgSO4 give ketone by the…

Q: 2D Representations Conformation Newman Sawhorse projection projection 39. 40. preferred (most…

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Q: HO РСС , еxcess -CH2OH CH,Cl2 1. Оз 2. (CH3),S otHH2SO4 A +B

A: PCC is oxidizing agent and useful for conversion of alcohol into carbonyl compound Ozonolysis -…

Q: D) a cl a chair conformation of the molecule below HII!!!! Br 1114 OCH3

A: Groups which are cis to each other should be cis in chair confirmation and groups which are trans…

Q: CH3 CH3 `CH CH, CH, H3C-CH2 -ĊH-C-CH2-CH-CH-CH2-CH2-CHg CH3 CH3 CH2 CH3

A: Given, Hydrcarbon with chain of ten Carbon atoms. Numbering should be done following the IUPAC…

Q: 1. Which of the following is a chiral molecule? Encircle the substituents that make it chiral. H…

A: A. This is substituted allene. But in one side two H are present. That's why it is achiral.  B. It…

Q: By considering viewed through the C-2–C-3 bond, which below conformations of 2,3- dibromobutane show…

A: Most Stable conformation is - III As all the Respective groups are anti to each other (Staggered…

Q: CH₂CH:CH 2. Determine R and S configurations for the following molecules: Unbonded substituent is…

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Q: 5. Draw line angle (skeleton) structural formulae from the following. (а) (CH3)2CHCH2CH2NH2 (b)…

A: Line angle structural formula or skeletal structure formula is the representation of only bonds in…

Q: A 1,2-cis disubstituted cyclohexane, such as cis-1,2-dichlorocyclo- hexane, must have one group…

A: Stereoisomers are different from constitutional isomers. They not only have the same molecular…

Q: 2)- Determine the total number of conformers of the tetra-substituted cyclohexane structure given…

A: Hello. Since your question has multiple sub-parts, we will solve only the first three sub-parts for…

Q: How many chlorines are axial in the most stable chair conformation of the molecule below? (enter 0,…

A: The equatorial position will be mainly for the bulky group while the axial position will be for the…

Q: 5. Each molecule below has CH3 но, a chiral carbon. Determine the absolute configuration (R/S) for…

A: Chirality: The geometric property of molecules where the structure of the molecule and its mirror…

Q: CH3 CH3 CH3CHOCHCH, (a) (b) -OCH2CH,CH3 (c) OCH3 (d) CH3CHCH,OCH2CH3 Br

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

Q: Below you will see a wedge-dash diagram, and an incomplete Newman projection with the designated…

A: To find: complete Newman projection that would give the most stable conformer.

Q: The most stable conformation of cis-l-isopropyl-2-methylcyclohexane will have: O a. both groups…

A: In the most stable conformation of Cis-1-isopropyl-2-methyl cyclohexane the methyl group is at axial…

Q: Circle the groups that are o,p-directors when attached to a benzene ring. w CH, CH, -Br -CEN CH CH3…

A: ->Electron donating groups are ortho -para directing when attached to benzene ring that is…

Q: 2. Assign the R or S configuration to each chiral center in the molecules below. CH2CH,Br CH3 .CO2H…

A: Every chiral center has specific configuration R or S .

Q: 3.2 Build a model for the line structure given below: OH (a) Use the template below and draw a…

A: The solution is given below -

Q: CH3 H3C- H2 Нас — с—снз H3C-c-CH Нас —с —сн i. ii. CH3 iii.

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Q: All of the following are representations for 2-methylbutane, EXCEPT? HH H,CH,C-CH, CH, н-с-с-н H,C-…

A: In butane  parent chain contains no of carbon is 4...

Q: ннн Br CH3 H3C H Br H H Determine the R/S orientation of the indicated carbons in this molecule.…

A: The R/S orientation can be assigned for the chiral carbon (SP3 hybridized carbon with 4 different…

Q: How many of the following molecules will rotate plane polarized light? H. CH, CH3 Me H. CH, CH,CH3…

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Q: CH2 %3D CH, = CH - C- CH2- CH CH2 %3D %3D

A: In this question, we will give the name of this type of Compound.  You can see details Solution…

Q: Predict whether each of these 3 substituents owill be axial or equatorial: t-butyl "CH,CH3 CH3

A: Bulkiest group is kept equitorially and with respect to that orientations of other groups are…

Q: Which of the following can have ?cis/trans isomers (CH3CH2)2C=CH2 O (CH3CH2)2C=CHCH3 O…

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Q: Draw (1R,2S,3R)-1bromo-3-fluoro-2-propyl cyclohexane in 2D form

A: The compound given is (1R,2S,3R)-1bromo-3-fluoro-2-propyl cyclohexane.

Q: Starting from the Newman projection below, rotate the back carbon to provide the structure in a…

A: Rotation of Back carbon will produce  gauche and eclipsed conformation.

Q: The following molecule has how many degrees of unsaturation? 6. 4 3

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Q: 2) Draw the most stable chair conformer for the molecules below and explain why? b) Br CH3

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Q: Draw the Newman projection of the methylcyclohexane looking along the C1 – C2 and C5 – C4 bonds.

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Q: A 1,2-cis disubstituted cyclohexane, such as cis l,2-dichlorocyclohexane, must have one group axial…

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