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trans-1,3-Dibromocyclobutane has a measurable dipole moment. Explain how this proves that
the cyclobutane ring is not planar.
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- Explain the fact that the C-O stretch in ethers and esters occurs at 1000-1100 cm-1 when the C is sp hybridized, but at 1250 cm- when it is sp2 hybridized.How many rings and π bonds are contained in a compound of molecularformula C8H12 that is hydrogenated to a compound of molecular formulaC8H14?Use resonance theory and the Hammond postulate to explain why 3-chloroprop-1-ene (CH2 = CHCH2Cl) is more reactive than 1-chloropropane (CH3CH2CH2Cl) in SN1 reactions.
- True or False: Acetylene is a naturally occurring conjugated diene True or False: The Diels-Alder reaction has the stereochemistry of the dienophile is retained in the product. True or False: When looking at kinetic vs. thermodynamic products the kinetic product predominates at low temperature. True or False: the mechanism of the Diels-Alder reaction is three π bonds break; one σ bond and two π bonds form.Account for the fact that among the chlorinated derivatives of methane, chloromethane has the largest dipole moment and tetrachloromethane has the smallest dipole moment.Compound W, C8H₁7Br, and X, CgH₁7Cl, are products of the radical bromination (W), and chlorination (X), of 2,4-dimethylhexane. W and X are each chiral. W reacts readily in water to form a chiral substitution product Y, CgH17OH. Reaction of a single enantiomer of W produces a single enantiomer of Y as the only substitution product. X likewise reacts readily in water though at a slower rate than W; a chiral substitution product Z, C8H₁7OH, is again formed. Unlike w, however, reaction of a single enantiomer of X produces Z that is nearly racemic. Propose structures for W and X. 0 • Do not use stereobonds in your answer. In cases where there is more than one possible structure for each molecule, just give one for each. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu. ● +▾ 99.8) ChemDoodleⓇ + v ChemDoodleⓇ
- Consider the reaction between (1S,3S)‑1‑chloro‑3‑methylcyclopentane and methanethiol in the presence of sodium hydroxide. (a) Draw the organic product and clearly indicate stereochemistry by showing the hydrogen on the chirality centers and using wedge and dash bonds. (b) Then analyze the stereochemistry of the product. racemic chiral achiral (1R, 3S) (1R, 3R) (1S, 3S)Please help me how to solve this problem in detail so i can understand it. Thank you very much.Draw the structure of the product of the Diels-Alder reaction below. CH3 a CH3 CH3OC-C=C-COCH3 • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Include H atoms at chiral centers only. / • If a group is achiral, do not use wedged or hashed bonds on it. • If the reaction produces a racemic mixture, just draw one stereoisomer. O. Sn » [ ]# ?
- Rank the following sets of substituents according to the Cahn-Ingold-Prelog sequence rules:Rank the following sets of substituents according to the Cahn-Ingold-Prelog sequence rules.Compound A, C₂H16 reacts with 1 molar equivalent(s) of hydrogen on catalytic hydrogenation. A undergoes reaction with ozone, followed by Zn treatment, to give: O CH3 O || CH3CCH₂CCH₂CCH3 CH3 Compound A Propose a structure for A. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.
