Q: 1 ethel 2 isopropylcyclohexane Which one would be a most stable cis?
A: The isomers which are formed by the rotation of single bond is known as conformation isomerism.
Q: Stereochemistry is the study of? O A. Molecules in 2D dimensional analysis. O B. Molecules with all…
A: Steriochemistry It is the study of arrangements of atoms in the Molecule . By the studing the…
Q: 5. Calculate the Unsaturation number for: C8H4N2 C3H7Br C3H7N C6H6C16
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Q: Which compound is impossible? A) KCl2 B) BF3 C) CaS D) Al2O3 E) none is impossible
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Q: Assign RS configurations to the following molecules: lal b) H Draw a tetrabedral representation of…
A: Answer : a) S-configuration b) R-configuration c) R-configuration. .
Q: ARO MAT TIC HYD :)0 ROC
A: Hückel's rule predicts that a planar ring molecule will have aromatic properties if it has 4n + 2pi…
Q: Assuming all of the following molecules are planar, which one can be labeled antiaromatic, and why?…
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Q: 1. Write all the posible Cis-configurations and trans-configuration isomers of CH3CH2CH2CH=CHCH2CH3.…
A: 1. Cis and trans configuration isomers: It is found in geometrical isomers. Cis configuration is the…
Q: Which is more acidic CHECH or CH2-DCH2?
A: Given that : We have to identify which of the compound is more acidic :
Q: N3 Assuming the heterocyclic ring above to be planar: Give the number of electrons that are…
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Q: (a) How many π molecular orbitals are present in deca-1,3,5,7,9-pentaene (CH2 = CH – OH = OH – CH =…
A: (a)Since there are 5 pi bonds there will be 10 (5 x 2) molecular orbitals present in…
Q: 2. Consider the following reaction: Cl2 methylcyclopentane monochlorinated products hv Draw all the…
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Q: Give the nomenclature or structure of the following molecules: CH2 CH3 CH3CHOCHCH3 но,…
A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…
Q: Ph H. + Ph2S + CH3 Ph predict relative stereochemistry (Hint: think about orbital alignment)
A: First step is nucleophilic addition of sulphur ylide in benzaldehyde...
Q: 1) Which molecule is chiral? Redraw it in the R-configuration. H3C `CH3 H3C. CH3 .CH3 CH3 H3C H3C…
A: When a carbon atom is attached to four different substituents, then the carbon is called asymmetric…
Q: 1. How many unsaturation elements each of the following molecules have? CI, HO C3H12
A: Degree of unsaturation is a measure of total number of pi bonds and rings in an organic molecule. It…
Q: The most stable MO of 1,3,5-hexatriene and the most stable MO of benzene Which compound is more…
A: Conjugated cycloalkenes has a property of stabilizing the molecule by the delocalization of pi…
Q: 9. Rank the following groups in order of decreasing the priority. (а) —СНз, —СН2CН3, —СH2СH2CН3, —…
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Q: OH OCH3 NH2 CH3 Br Br- H,CH2C ČH3 ČH3
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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: 2.
A: we have to say the structure is chiral or achiral
Q: H CH, is molecule chiral or achiral? CH, H.
A: Attaching a better view of the question: To find the chiral centers, look out for the centers…
Q: Rank the followinig in order of decreased stability. Most stable first. CH3 OCH3 NO2 OCH3 NM 2 OCH3…
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Q: CH3 H2N,, НООС COCH3 A R configuration B S configuration
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Q: The purine heterocycle occurs commonly in the structure of DNA. In what type of orbital does each…
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Q: many stereoisomers are possible for the molecule to the right? Me. „Me Me
A: Here we have to predict the total number of stereoisomers possible for the given compound. For this…
Q: H-S-H H2S Part 5 SO2
A: Steric number (SN) By the steric number we get the number of regions of electron around the central…
Q: H3CHN H2N H3CO HO- ENH H3COCH2CH2C CH2CH2CH2OH H3CH2CH2CH2C CH2CH2COOH OH
A: The compounds given are,
Q: Square planar molecules with formula AB2C2 and octahedral molecules with formulas AB4C2 and AB3C3…
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Q: Does the MO energy diagram of cyclooctatetraene
A: Hybridization and VSEPR theory explain the molecular geometry and bond angle in a molecule. It…
Q: Rank the following acids in order of strength. H2S, CHCl3, H2Se, CH2Ch2
A: In this question, we have to find out the correct answer of given problem by the help of the…
Q: Explain with examples: difference between regioselectivity and stereoselectivity
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Q: LI. LLI
A: For a molecule to be chiral, it should not have any kind of symmetry i.e. plane of symmetry, centre…
Q: Why is the circled compound more reactive for Sn1?
A: Why compound (a) is more reactive for SN1 is to be explained.
Q: Present or Absent? a. CH hyperconjugation b. Lone-pair delocalization
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Q: C5H10, CSH9CI and (b)(Only five membered rings) CSH8CI2 (7)
A: Constitutional isomer: If the isomers have the same molecular formula and different bond…
Q: _8. How many electrons are in the following molecule's largest conjugated a system? a. Two b. Four…
A: A conjugated system is a system of connected p-orbitals with delocalized electrons in compounds…
Q: Arrange the following groups in order of decreasing priority according to R-S…
A: The rules that must be followed while prioritizing the substituent group for R-S configurations are-…
Q: Rank the following molecules in order of increasing be PC13 CF4 CS2 Cl2 SO2
A: Boiling point of PCl3 = 76.1°C Boiling point of CF4 = - 127.8°C Boiling point of CS2 = 46.3°C…
Q: Does the MO energy diagram of cyclooctatetraene appear to be a particularly stable or unstable…
A: Polygon Rule is used for predicting the Molecular orbital energy for the conjugated cyclic system.…
Q: Consider the two structures below, Are these molecules enantiomers, diastereomers, or the same? (4E,…
A: These given molecules are enantiomers.
Q: 3. Naming Enantiomers as R or S. For each molecule below, determine if it is in the R or S…
A: Given compounds are : Determine if it is an R or S configuration = ?
Q: (a)(2R,3S)-2,3-dibromohexane, draw any planes of symmetry.
A: Solution; The structure of (2R,3S) - 2-3-dibromohexane is as fellow; If the carbon atom is…
Q: Predict the specific optical rotation of the bicyclic molecule to the right. Briefly explain the…
A: This molecule does not have any optical rotation, because this molecule is achiral and optically…
Q: Assign Ror S to each chiral center in this molecule:
A: Assign priorities to the groups at each chiral or stereogenic centers according to the…
Q: CI CH3 CHCHCH3 CH, CHCH CH, • cí CH3 CH3
A: Sigma bonds are the strongest type of covalent chemical bonds . They are formed by head on…
Q: How many MOs does 1,3,5,7-octatetraene have?
A: Please find below the structure of 1,3,5,7-octatetraene
Q: Set C. Some Relatively Easy Molecules (1) SF,CI (2) Chlorobenzene (3) 1,2-Dichlorobenzene
A: Dear student, since it is a multiple subparts questions so according to Guidlines here I am solving…
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- Please help with 4c, 4d, and 4e. We havent learned kaw of equivalents so please do 4c a different way. thank you5. Which of compounds is likely to adopt a planar conformation? Why? .. A. С. D. В.2.) Which is a pair of enantiomers? CH3 H3C CI CH;CH2CH3 CH3 CH3 CH;CH;CH3 H3C CI CH;CH2CH; II II CH,CI CH;CH2CH3 H3C CI CH;CH2CH3 IV V A. I& II and III & IV В. I & II С. II & IV D. IV & V
- up an example (not appearing in this ChemActivity) of a pair of molecules that are a)constitutional isomers, b) conformers. c) configurational stereoisomers.4. Explain the following result- what strange regioselectivity is observed and why? (hint, what will always happen in the presence of a strong acid?): HNO3 HOAC NO2 O2N HNO3 H2SO4 NO25) relationship between the pairs of structures. NOTE: Each term may be used more than Choose the term from the five terms listed below that BEST describes the once and not all terms need be used. Identical Diastereomers Enantiomers Constitutional isomers Not isomers CH3 CH3 ÇI H3C-Br CH3 Br -CI H,C. D-H H3C- Br H- -D Br CH3 -CI ČH3 OH H3C, CHO OHC, OH OH H. HO CHO OHC CH3 H. OH ÓH
- Is the following compound R or S. Support your claim by indicating the priority ofthe groups attached to the asymmetric carbon. H,CCH, *CH,OCH, CIFor the 1,2-dichlorocyclohexane stereoisomers, which conformation of the trans stereoisomer has the lower energy, the diaxial or the diequatorial conformer? Which isomer and conformation of the three you built has the lowest energy? E of all the isomers of 1,2-dichlorocyclohexane. Explain the differences in energy, i.e., identify the sources of strain in the conformations you built. Show the sources of strain in a drawing.(a) Draw the molecular orbital picture for propa-1,2-diene, H2C=C=CH2. Hint: The three-dimensional geometry is shownin the chapter. (b) Draw the MO energy diagram for propa-1,2-diene. What is the HOMO? What is the LUMO?
- one of the chair structures of cis-1-chloro-3-methylcyclohexane is more stable than the other by 15.5 kj/mol (3.7kcal/mo) which is it ? what is the energy cost of a 1,3-diaxial interaction between a chlorine and a methyl group?6. For the following compound, (1) draw the complete Lewis structure; (2) site down the C3- C4 bond axis, and draw the seven Newman projections (0-360 degrees of rotation); (3) label each structure as to being eclipsed (E) or staggered (S). -CEN エ CtExplain why CH3CH2CH2CH2Cl reacts with 0.01M NaCN in Ethanol (C2H5OH) to yield primarily CH2CH2CH2CH2CN, whereas under the same conditions, (CH3)3CCI reacts to give primarily (CH3)3COCH2CH3.