[References) Calculate the index of hydrogen deficiency for the following molecule. H3C H3C CH3 CH3 CH3 ČH3 ČH3 H3C CH3 CH3 B-Carotene Index of hydrogen deficiency is

Q: In the IR spectrum of the cycloadduct product, shown below, assign and interpret the major…

A: IR spectrum of the cycloadduct product a peak is observed for 5 membered cyclic lactones 1765 cm-1

Q: g) Identify the hydrogens, of "compound X" as unrelated, identical, enantiotopic, and diastereotopic…

A: Given : Compound X with the molecular formula C4H4O3 We have to find the topocity of hydrogens of…

Q: Vibrations of XeCl4: Left: Scissoring. Middle: Wagging. Right: Twisting. Which of these motions will…

A: IR active modes of vibrations are those in which there is a change in the dipole moment of the…

Q: Which structure correlates to the following IR spectrum? RVEERI

A: Dear student I have given answer to your question in the image.

Q: Draw the Newman projection for both the 1,2-dibromoethane (eclipse and standard)

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Q: What molecule is in the IR spectrum?

A: Given is the IR spectra, and we have to tell the structure.

Q: In addition to a carbonyl stretch, which of the following molecules exhibits two characteristic…

A: Functional groups present in the given compounds are as follows.

Q: Calculate straln energy for the conformer plctured below, using straln energy Increments from the…

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Q: molecules and provide short descriptio: 1. H-Ņ-CH3

A: The functional group in the above compound is amine (-NH2 group). The nitrogen in the amino group is…

Q: 3. Assign the absolute configuration to the stereocenters (marked A through G) below. Note:…

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Q: (-)-Ipc2BOTf i-Pr2NEt H. ЗА CH2CI2, -20 oC TBSOTF 2,6-lutidine 4B 5C CH2CI2, -78 °C

A: The formation of Z and E-enolates in asymmetric aldol synthesis depends on the various factors…

Q: For the following IR spectrum, select the molecule that best matches the data provided. LO0 4D00…

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Q: Answer ALL parts of this question. (a) Use the Cahn-Ingold-Prelog rules to assign the configuration…

A: 1.)To write the Newman projection of the compound, rotate the molecule 90 degrees and look at it…

Q: Rank in order of increasing IR frequencies for the following bonds. (lowest IR frequency to…

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Q: 6. Hexa-1,2-diene, trans-hexa-1,3-diene, and trans-hexa-1,4-diene are all compounds with more than…

A: First of all, we draw structures to see conjugation- Structures with the name given below: 1. Name:…

Q: Stereospecificity.. -Use Newman projections to Rredict the praduct for the assignes reaction.…

A: Anti-periplanar transition state involves formation of an intermediate having leaving groups in 180°…

Q: What is the value in kJ/mol, of the lowest energy trnasition above?  a.) 545 b.) 444 c.) 320 d.)…

A: The absorbance v/s wavelength curve given is,

Q: How many more gauche interactions are there in axial trans-1,2-dimethylcyclohexane than in the…

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Q: Without doing the calculation, which member of each pair do you expect to occur at the higher…

A: The stretching frequency of a compound is directly proportional to the force constant and inversely…

Q: Which of the following molecules would have the highest frequency carbonyl st CH3CH2CH2CONH2…

A: We can compare the frequency carbonyl stretch of the following molecules as given below:…

Q: CH140 13C NMR: 1Η ΝMR: 29.7, t 29.8, q (3) 46.4, s 60.0, t 0.91, s, 9H 1.53, t, J = 7.3 Hz, 2H 2.13,…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: 1 Order each of the following sets of compounds with respect to Sp1 teactivity CH3 H3C-C-CI CH3 NH2…

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Q: H3C D HCH3 C₂H5 A [1,5-H]

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Q: Br CH3 HO''T C2H5 CH3 dBr ОН C2H5 a) and ОН Br b) and Br SCH3 SCH3 c) and

A: Enantiomers: Have opposite configuration on each chiral centre Diastereomers:  Contain more than one…

Q: 2. Determine the Index of Hydrogen Deficiency of the following compounds: a. C8H7NO b. C4H4BrNO2

A: Formula for Index of hydrogen deficiency (IHD) = 0.5 x ( 2C + 2 + N -H -X) a. C8H7NO  IHD = 0.5 x (…

Q: For each of the following reactions, check in the box which of these A or B components represents…

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Q: b. of butane-2,3-diamine of which the semi-developed formula is: NH2 13C-CH-CH-CH3 NH2 in…

A: In hashed-wedged projection, there is the representation of bonds in the form of a backline called a…

Q: Molecules a 4) Assign (R,S) configuration with explanation for molecule b and for every stereocenter…

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Q: Recall 1) our discussion of the bonding in cyclopropane, (2) the relationship between 2 and bond…

A: Stretching or bending vibrations have a frequency that is directly proportional to the force…

Q: For bromochloromethanol that has R configuration  Interchange any 2substituent, what is the…

A: The compound given is R bromochloromethanol.

Q: А. `NH2 + CH3CH2O- B CH3 + H3C H3C

A: Correct option is (B) Because acetate ion is a weak base . Anion of acetate is stabilized by…

Q: Which hydrogens have a larger chemical shift, the six hydrogens of benzene or the eight hydrogens of…

A: Benzene is an aromatic compound; its six equivalent hydrogens appear as a sharp singlet at δ 7.27.

Q: For the following molecula: CH₂ Н Br CH3 A) Select its diastereomer: Н. -OH H -H CH3 CH3 -OH -Br B)…

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Q: The index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

A: Degree of unsaturation for hydrocarbons is calculated using formula :  U = (  Hydrogen in alkane -…

Q: Dictate the stereocenter ,if present, in these molecules. Indicate if achiral.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3.Please resubmit the question and…

Q: a) Methoxy ethylene (H2C=CHOCH3) and propanal (CH3CH2CHO) are constitutional isomers. State the…

A: We can differentiate various compounds using IR spectroscopy.

Q: The index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

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Q: lling liquid having a boiling point of 101°C was subjected to IR Spectroscopy to determine termine…

A: Solution: For any organic compound we can find the structure from the spectroscopic information…

Q: For each of the following molecular structures, circle each of the stereocenters (if any) that the…

A: The stereocenters are also called as Chiral carbon centres . To be a chiral carbon or stereocenter ,…

Q: ndicate the functional groups found in the IR signals of: 1. Hexene 2. Cyclohexene 3. Toluene 4.…

A: The study of IR diagram makes the identification of functional group existing in an organic molecule…

Q: N-methylpiperidine has the conformation shown. What does this tell you about the relative steric…

A: Since the position of methyl group is equitorial and that of lone pair is axial. Hence it means that…

Q: Arrange the following in decreasing order of stability. Explain your answer. lal CH3 (b) CH3 CH2CH3…

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Q: DMATS1 OPP *H,N- *H;N- Co2

A: Removal of OPP gives a carbocation which is attacked by the indole to produce product

Q: Show the spatial structure of the (2R, 3S) -2-bromo-3-chlorobutane molecule

A: Stereoisomerism is a special type of isomerism in which the atoms are attached with the same…

Q: What peaks will appear in the IR spectrum of cyclopentanone (structure shown below)? -1700 cm and…

A: Applying IR spectroscopy and IR stretching frequency of functional groups.

Q: circle each of the stereocenters (if any) that the molecule has then write the number corresponding…

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Q: How many non-equivalent hydrogens does this molecule have?

A: finding non-equivalent hydrogens does this molecule

Q: The range of IR absorption of the C-H stretching vibration of an alkane is: O 2950 - 2850 cm1 O…

A: alkane C-H streching vibration is

Q: Pyrethrin II and pyrethrosin are two natural products isolated from plants of the chrysanthemum…

A: The given compound is, The molecular formula of pyrethrin II is C22H28O5.

Q: The index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.