Determine whether the (LUMO+1)<-HOMO transition in benzene is electric-dipole allowed or forbidden. If it is allowed, determine the polarization Forbidden Allowed, x-polarized Allowed, y-polarized Allowed, z-polarized Allowed, x.y polarized Allowed, unpolarized

Q: Compare the structures of 1,4-pentadiene and divinylamine: 1,4-Pentadiene The first compound does…

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Q: Is 2-methyl-2,3-pentadiene chiral? What about 2-chloro-2,3-pentadiene?

A: No. 2-methyl-2,3-pentadiene is not chiral because it exhibits plane of symmetry passing through the…

Q: What reagents are necessary to carry out the conversion shown? 4-ethylheptanoyl chloride…

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Q: Does chloromethane contain a plane of symmetry? Is it a chiral?

A: First of all it needs to know about the chiral centre.  What is Chiral?  Let us see it in next…

Q: There are three different dichloroethylenes (molecular for-mula C₂H₂Cl₂), which we can designate X,…

A: Atoms are surrounded by electrons which revolve around nucleus. During bond formation, these…

Q: Draw the bond-line structure of the compound (1R)-1-chloro-1-cyclohexylpropan-1-ol

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Q: Is pentanoic acid a chiral molecule or not?

A: Carbon atom containing four different types of atoms or groups is known as chiral carbon. The…

Q: What is resonance contributor in which one or more atoms bears a formal change and the most stable…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: w the correct structure for (2S,3R)-2,3-diiodopentane. Show stereochemistry clearly. To ensure…

A: Stereochemistry of a molecule describes the 3-D arrangement of the given molecule. CIP rule is used…

Q: How many degrees of unsaturation (double bond equivalents) does C4H10ClNO have?

A: Given molecule: C4H10ClNO We have to calculate the degrees of unsaturation (double bond equivalents)…

Q: Part B: NH2

A: A question based on molecules that is to be accomplished.

Q: Why are these two conformational isomers? I was under the impression that in molecules with only…

A: The compounds given are,

Q: Highlight the "up" CH, groups in red and the "down" CH₂ groups in BI Part 2 of 2 H₂C H₂C- H₂C CH₂…

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Q: 12) Which of the following compounds is chiral? Br CI Br A B ČI D Br

A: Compounds having No Plane of symmetry and No Centre of symmetry are chiral in nature.

Q: Measure the C-C-C and C-C-H bond angles in the energy-minimized models of cis and trans isomers of…

A: The structures of cis and trans isomers of cyclooctene are as follows:

Q: Standardized NaOH (M) 0.4056 Initial volume of buret (mL) 0.60 Volume of vinegar (mL) 10.00…

A: We have given concentration and volume of NaOH  Also, volume of vinegar.

Q: Using Hydrogenation Data to Determine the Number of Rings and π Bonds in a Molecule  How many rings…

A: Degree of unsaturation in a given hydrocarbon can be calculated by using the below shown formula:…

Q: Estimate the values of bond angles 1 and 2 on the structural representation of creatine: H₂N NH OH…

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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: Which of the following contain(s) both sp-hybridized and sp3-hybridized carbon?

A: Hybridization refers to the mixing of the atomic orbital characters to form new hybrid…

Q: Which one of the following represents the HOMO of 1,3,5-hexatriene? IV || V 00

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Q: What is the conformation of the single bond between the double bonds? What is the stereochemistry of…

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Q: How many nodes are present in the following molecular orbital of 1,3.5-hexatriene? 888888 O Five O…

A: -&gt;When the sign of loab changed it is a longer node.

Q: Which of the following ring compounds obey Huckel's rule? O C20H20 O C20H20 C12H122- O C,2H12 O…

A: Given compounds are :-  a). C20H20  b). C20H20-  c). C12H122-  d). C12H12  Which obey the Huckel's…

Q: Which of the following molecules would be considered chiral? но OH A A B.

A: Answer is  B  Compound B is chiral as it does not have any element of symmetry.

Q: BR H CH3 Is this molecule chiral? If yes, please determine if it is R or S.

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

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

Q: Cymbalta (shown below) is an antidepressant. How many asymmetric centers are present in this…

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Q: 5. For the molecules below assign the stereochemical configuration of the selected tetrahedral…

A: The following rules are used to assign the R/S configurations to the chiral centers.Identify chiral…

Q: Which of the following molecules is chiral? H3C H3C Н3С Н І- Н CH3 CH3 H CH3 H

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Q: one of the chair structures of cis-1-chloro-3-methylcyclohexane is more stable than the other by…

A: Given: One of the chair structures of cis-1-chloro-3-methycyclohexane is more stable than the other…

Q: Haloethanes (CH3CH2X, X = Cl, Br, I) have similar barriers to rotation (13.4–15.5 kJ/mol) despite…

A: The radius of the atoms increases as move down the groups. This is due to the number of electronic…

Q: The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in…

A: Deree of unsaturation is also known as index of hydrogen deficiency , double bond equivalents, or…

Q: From what we know today, what do the two Kekulé structures for benzene really represent? August…

A: Friedrich August Kekule, in 1865, suggested that the benzene contain a ring of six carbon atom in…

Q: What is the structure of this molecule using this HNMR? C7H16O2

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Q: The barrier to C-C bond rotation in bromoethane is 15 kJ/mol. What energy can you assign to an H-Br…

A: The barrier to C-C bond rotation in bromoethane is 15 kJ/mol, and it is determined by the…

Q: Which of these orbitals is the HOMO of 1,3,5-hexatriene? y88 8888

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