Homework Answers
Answer. Correct option is B ( 2-methyl-but 2-ene)
According their IR and 13C spectrum. Elimination rxn accoured.
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You just reacted the two alkyl chlorides shown below with potassium t- butoxide and isolated one...
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and...
Molecule C:
Molecule D:
Can someone PLEASE EXPLAIN the answers??????
2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
t-Butylbenzene was reacted with 1-bromopropane in the presence of AlCl3 as a catalyst ACl The product was bel...
t-Butylbenzene was reacted with 1-bromopropane in the presence of AlCl3 as a catalyst ACl The product was believed to be one of the following isomers В D A single product was isolated from the reaction mixture and the 1c-NMR spectrum of the compound was obtained Which of the candidate product structures is most consistent with the spectrum? 140 100 120 160 80 PPM 60 20 Compound X,ttre, was isolated from early batches of a new craft beer. This compound is...
You are provided with the molecular formula for each compound. calculate the unsaturation index f...
You are provided with the molecular formula for each compound. calculate the unsaturation index for each problem. -u2C+2+N-X-H For IR, determine the functional groups present and annotate the absorbances that confirm the functional group (including finger print region absorbances). 2 . For 1H NMR, label each signal (a, b, c,.... starting from the right (0.0 PPM). Draw the structure of the compound in the spectra and annotate. 13C NMR spectra is provided for information. Annotation of the 13C NMR is...
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with...
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with the spectroscopic Thormation below, determine the structures of Product 1 and Product 2. Assign the relevant peaks in the IR, 1H NMR, and 13C NMR spectra that helped you reach your conclusion H20, 2-propanol Product 1 CH Product 2 CH,20 Product 1 IR SH 3H Product 1 1H NMR PPM Product 1 13C NMR 140 120 100 80 60 40 20 0 PPM Page...
In this problem you have to elucidate the structure of product B. A substrate A (structure...
In this problem you have to elucidate the structure of product B. A substrate A (structure shown in scheme 1) which was subjected to two consecutive reactions as shown in scheme 1 below to give the product B of molecular formula CsH14Br2. Provide the structure for Product B based on the NMR data provided (attachment 2: Problem set 2). (The 1H NMR and 13C NMR of starting substrate A has been provided for reference purpose only) 1. MnO2, CHCI3, rt,...
Compound 2: Use the information provided below and the IR and NMR spectra on the next...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
CHE351NMRQuiz3 Fall2019 CHE 351-03 Organic Chem I Fall 2019 NMR Quiz 3 Name t-Butylbenzene was reacted...
CHE351NMRQuiz3 Fall2019 CHE 351-03 Organic Chem I Fall 2019 NMR Quiz 3 Name t-Butylbenzene was reacted with 1-bromopropane in the presence of AlCl as a catalyst. AC The product was believed to be one of the following isomers. single product was isolated from the reaction mixture and the C-NMR spectrum of the compound was obtained. Which of the candidate product structures is most consistent with the spectrum? 140 120 80 PPM 160 40 100 60 C HO Compound X,tto, was...
carrot fragments H2O, room temp 애 Below is the predicted 13C NMR spectrum for either the...
carrot fragments H2O, room temp 애 Below is the predicted 13C NMR spectrum for either the starting material or the product of the reaction you carried out. Which is it? With reference to key 13C NMR signals, explain your answer. 220 200 180 160 140 120 100 80 60 40 20 0
2. The 13C NMR spectrum is shown below for the major product of the following reaction....
2. The 13C NMR spectrum is shown below for the major product of the following reaction. Draw the structure of this product. Note that there is an important peak at ca. 166 ppm and that the peak at ca. 40 ppm is due to a contaminant. excess KMnO4 H H. aq. NaOH 200 180 100 80 40 20 160 140 120 60
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula C8H10) are shown below. Draw the structure of the unknown...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula
C8H10) are shown below. Draw the structure of the unknown compound.
The total integration of the peaks at around 7 ppm is 4. The
integration of the peak at around 2 ppm is 6.
7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
Molecule C:
Molecule D:
Can someone PLEASE EXPLAIN the answers??????
2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
t-Butylbenzene was reacted with 1-bromopropane in the presence of AlCl3 as a catalyst ACl The product was believed to be one of the following isomers В D A single product was isolated from the reaction mixture and the 1c-NMR spectrum of the compound was obtained Which of the candidate product structures is most consistent with the spectrum? 140 100 120 160 80 PPM 60 20 Compound X,ttre, was isolated from early batches of a new craft beer. This compound is...
You are provided with the molecular formula for each compound. calculate the unsaturation index for each problem. -u2C+2+N-X-H For IR, determine the functional groups present and annotate the absorbances that confirm the functional group (including finger print region absorbances). 2 . For 1H NMR, label each signal (a, b, c,.... starting from the right (0.0 PPM). Draw the structure of the compound in the spectra and annotate. 13C NMR spectra is provided for information. Annotation of the 13C NMR is...
6. The solvolysis reaction of 2-chloro-2-methylbutane produces two products. Using what you have learned along with the spectroscopic Thormation below, determine the structures of Product 1 and Product 2. Assign the relevant peaks in the IR, 1H NMR, and 13C NMR spectra that helped you reach your conclusion H20, 2-propanol Product 1 CH Product 2 CH,20 Product 1 IR SH 3H Product 1 1H NMR PPM Product 1 13C NMR 140 120 100 80 60 40 20 0 PPM Page...
In this problem you have to elucidate the structure of product B. A substrate A (structure shown in scheme 1) which was subjected to two consecutive reactions as shown in scheme 1 below to give the product B of molecular formula CsH14Br2. Provide the structure for Product B based on the NMR data provided (attachment 2: Problem set 2). (The 1H NMR and 13C NMR of starting substrate A has been provided for reference purpose only) 1. MnO2, CHCI3, rt,...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
CHE351NMRQuiz3 Fall2019 CHE 351-03 Organic Chem I Fall 2019 NMR Quiz 3 Name t-Butylbenzene was reacted with 1-bromopropane in the presence of AlCl as a catalyst. AC The product was believed to be one of the following isomers. single product was isolated from the reaction mixture and the C-NMR spectrum of the compound was obtained. Which of the candidate product structures is most consistent with the spectrum? 140 120 80 PPM 160 40 100 60 C HO Compound X,tto, was...
carrot fragments H2O, room temp 애 Below is the predicted 13C NMR spectrum for either the starting material or the product of the reaction you carried out. Which is it? With reference to key 13C NMR signals, explain your answer. 220 200 180 160 140 120 100 80 60 40 20 0
2. The 13C NMR spectrum is shown below for the major product of the following reaction. Draw the structure of this product. Note that there is an important peak at ca. 166 ppm and that the peak at ca. 40 ppm is due to a contaminant. excess KMnO4 H H. aq. NaOH 200 180 100 80 40 20 160 140 120 60
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula
C8H10) are shown below. Draw the structure of the unknown compound.
The total integration of the peaks at around 7 ppm is 4. The
integration of the peak at around 2 ppm is 6.
7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
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