+ H* нн cyclopentane н cyclopentyl anion pK, > 60 + H* нн cyclopentadiene н cyclopentadienyl anion pk = 15

Q: The mass spectra of two very stable cycloalkanes both show a molecular ion peak at m/z = 98 . One…

A:

Q: Which of the following groups has the highest priority according to the ?Cahn-Ingold-Prelog sequence…

A: Solution

Q: How many proton environments are there in 2-methylbut-2-ene? How many proton environments are there…

A: Protons with similar environment also shows same chemical properties.

Q: Which of the following represents the correct Cahn-Ingold-Prelog priority ranking of C5H11…

A: Ans: d. A<D<B<C Here all the groups are carbon -hydrogen containing ,hence 3° carbon will…

Q: The proton resonance of the OH group is found at δ 5.80 for phenol and at δ 10.67 for 2-nitrophenol,…

A: Given    OH (δ value) 5.80 10.67

Q: 16 Draw the structures of Compound 16a and 16b, clearly indicate your assignments of all proton…

A: The molecular formula of the organic compound 16 a is C8H6O2. The molecular formula of the organic…

Q: Upload answer sheets = 41,000 cm¹ by (a) Explain the reason for the high CFSE value of [Ir(NH3)6]³+…

A:

Q: OMe H. HO MeO Me methyl benzoate 4-methoxybenzaldehyde p-toluic acid 100 - Spektrum/Spectrum B 91…

A: The mass spectrum gives the information about the structure from the plot between mass to charge…

Q: 2. Explain the following differences in pka. a. 2,2,2-Trifluoroethanol vs. ethanol pka= 12.5 b.…

A: Lower the pKa value, stronger the acid. We can say acidic character depends inversely on pKa value.…

Q: Use Cahn-Ingold-Prelog sequence rules to prioritize the four substituents on the stereogenic centre…

A:

Q: What diene and dienophile are needed to prepare the following compound? Choose the single best…

A:

Q: 1. An aliphatic ketone absorbs at 1,715 cm-1. What is the frequency of this vibration in hertz,…

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

Q: Hello, I need help with question 26 a-f. I need help with the while problem.

A: Hey, since there are multiple sub-part questions posted, we will answer first three sub-parts…

Q: (o-p) (q-r) cold KMnO4 HCI 1.03 2. H*, Zn 1. BH3 2. H₂O₂, OH

A: When ozone is used in an organic chemical reaction to break the unsaturated bonds in alkenes,…

Q: Draw the structures of Compound 13 a and 13b, clearly indicate your assignments of all proton…

A:

Q: 2. The mass spectrum of 1-ethyl-1-methylcyclohexane shows many fragments, with two in very large…

A:

Q: 3. Which one of the following structures represents major resonance contributor of the molecule in…

A:

Q: 1. This question relates to the the1H-NMR spectrum of an alkane and two alkenes. a. How many proton…

A: 1H-NMR spectrum is used to detect number of proton environments and multiplicity (surrounding…

Q: 2. For the following stereocenters, make the Cahn-Ingold-Prelog designations (which substituent is…

A: As per the Cahn-Ingold-Prelog rules, the groups attached to a stereocenter gets priority based on…

Q: Explain why the chemical displacement value in 1H-NMR of 1. alkyn protons comes out between 2.5-3.1…

A: The structural aspects and the induced magnetic field of alludes and alkenes are two important…

Q: Which of the following represents the correct Cahn-Ingold-Prelog priority ranking of C5H11…

A: Choose the priority order from lowest to highest ?

Q: Pls help ASAP.

A: Answer of the question given below,

Q: For the following four structures vrite dovn havw many unioue protons and carbons are there for each…

A: The given structures a, b and c have unique protons and carbons. That is hydrogens and carbons in…

Q: Rank the set of substituents below in order of priority according to the Cahn-Ingold-Prelog sequence…

A:

Q: To which compound is the addition of HBr more highly regioselective (without any shift) and what…

A:

Q: (4HO. Br a. 1: H2/Pd-C. 2: H2SO4, H2O. 3: Dess-Martin periodinane b. 1: NaH. 2: BH3, then NaOH/H2O2.…

A: Solution-

Q: The mass spectrum of a compoun is shown below. Deduce the structure of the compound. Which one? A)…

A: Mass spectrometry is used to identify unknown compounds to quantify known compounds and to elucidate…

Q: Recall from Section 1.10B that there is restricted rotation around carbon–carbon double bonds.…

A: (i) Maleic acid is an cis- dicarboxylic acid whereas fumaric acid is the trans-dicarboxylic acid as…

Q: Draw the structures of Compound 16a and 16b, clearly indicate your assignments of all proton…

A:

Q: Arrange each set in order of decreasing priority using Cahn-Ingold-Prelog priority rules (1 for…

A: According to Cahn-Ingold-Prelog priority rules, higher priority is given to those elements which…

Q: 200 180 160 140 120 100 80 60 40 CDS-06-420 ppm The Spectra shows an isomer of C3H60, which compound…

A: Here we are required to find the structure which matches with 13CNMR

Q: Treatment of 2-butanone (CH3COCH2CH3) with strong base followed by CH3I forms a compound Q, which…

A:

Q: a. For the following compounds, which pairs of hydrogens (Ha and Hb) are enantiotopic hydrogens?b.…

A: a. When a carbon atom in a compound is bonded to two hydrogens and to two different types of groups,…

Q: The C-O absorption in carboxylic acids appears around 1250 cm 1. The C-O absorption in an alcohol…

A:

Q: Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog…

A: Cahn-Ingold-Prelog system is method of ranking and prioritizing the substituent group and…

Q: 2-Stretching frequency of the O=C bond of a compound (3-butene-2-on) is less than the stretching…

A: We have to select the factor which explains the given statements based on IR spectroscopy

Q: (ü) The -OH proton resonance is found at 85-80 ppm for phenol (in dil. CDC13) and at d 10-67 ppm for…

A: NMR chemical shift values are effected by adjacent electron withdrawing groups and electron donating…

Q: 24.43.This is an example of a hetero Diels-Alder. Draw the curved arrows OCH3 OCH3 Hydroquinone,…

A: A question based on Diels-Alder reaction, which is to be accomplished.

Q: Rank the following from highest to lowest priority according to the Cahn-Ingold-Prefog system:…

A: To name the enantiomers as R/S the priority to the group is given by Cahn-Ingold-Prelog rules.…

Q: 35. Rank the following groups in order of decreasing priority according to the Cahn-Ingold- Prelog…

A:

Q: 9. Use the Cahn-Ingold-Prelog rules to choose the correct priority sequence for the assignment of…

A: Always heteroatoms (compare to C, H) will be preceded in priority.

Q: Predict the relative pKa values of cyclopentadiene and cycloheptatriene. a. Predict the relative pKa…

A: The deprotonation of cyclopentadiene results in anion which the negative charge is delocalized and…

Q: Which one of the following groups has the highest rank when precedence is assigned according to the…

A:

Q: The absolute o value for -OCH3 group at the para position is greater than at the meta position for…

A:

Q: 10. Bryostatin is a cyclic polyketide natural product synthesized biologically by the sessile marine…

A:

Q: 24.43.This is an example of a hetero Diels-Alder. Draw the curved arrows OCH3 OCH3 N- Hydroquinone,…

A: In the majority of Diels- Alder Reaction, the electrons are transferred from the HOMO of a diene to…

Q: This question relates to the1H-NMR spectrum of alkenes. How many proton environments are there in…

A: Nuclear magnetic resonance is a technique that is used to predict the structural formula of the…

Q: This question relates to the1H-NMR spectrum of alkenes. What are the multiplicities of each proton…

A: In 1H-NMR spectrum , the multiplicity or coupling is useful because it reveals the number of…

Q: Draw the structures of Compound 13 a and 13b, clearly indicate your assignments of all proton…

A: 13a. C8H10O2 ( DBE = 8- (10/2)+ 1 = 9-5 = 4 (benzene ring present). Compound is having primary…