Homework Answers
Q-1.
Q. 2.
Spectra No. Compound
1. A
2. C
3. B
Add Answer to:
(1) Supply the reagents needed to prepare each of these products by Fischer esterification. нс CHE...
can u please help me analyze my NMR my experiment was for organic chemistry FISCHER ESTERIFICATION...
can
u please help me analyze my NMR
my experiment was for organic chemistry
FISCHER ESTERIFICATION
I did pentyl butyrate
starting materials were
1.1g of 1-pentanol
2.29 g of butyric acid
SAJV Fo.14 0.13 Fo.12 F0.11 0.10 Fo.09 Fo.08 Fo.07 Fo.06 Fo.05 0.04 Fo.03 Fo.02 0.01 0.00 0.01 5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 f1 (pom) 3.0 2.5 2.0 1.5 1.0 0.5 00 Faz Feto
identify the peak in the 1H NMR spectrum corresponding to the CH3 group, explain what coupling...
identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
Identify the peak in the 1H NMR spectrum corresponding to the CH3 group, explain what coupling...
Identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
Zyban-3 c. Using numbers on structure, label each integrated peak on the HNMR spectrum. Label peaks...
Zyban-3 c. Using numbers on structure, label each integrated peak on the HNMR spectrum. Label peaks due to nitrogen protons "11". A copy of the spectrum is online also po J.93 Сн -1.556 --- 1.537 83 82 81 80 79 78 77 76 75 ppm 1.60 1.55 1.50 2.00 2.00 ppm water --- ODOS €966 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 ppm 6.0 4.5 4.0 3.5 2.0 1.5 1.0
The 1H NMR spectrum has peaks (marked with "x") for a minor byproduct - what might...
The 1H NMR spectrum has peaks (marked with "x") for a minor
byproduct - what might that be?
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm 1.0 CHEM 08LB: 1H NMR...
This is a two part question! (: More information: in this image, we have confirmed that...
This is a two part question! (:
More information: in this image, we have confirmed that the
top hydogren has a chemical shift of 6.129 and the bottom hydrogen
has a chemical shift of 5.835.
Question 12 (8 pts) Shown below is the HH-COSY spectrum of 2-hexenal. Circle the peaks on the COSY spectrum that confirm your previous assignment of the vinyl hydrogen resonances on trans-2-hexenal by demonstrating that they are on adjacent carbon atoms. Draw a triangle around the...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze each peak using the information on chemical shift, integration, and multiplicity lean role. The insets are expanded views of each peak so that the muplicity is clear. propose a structure for the molecule. Show your work it, integration, and multiplicity learned in the tutorial. Molecular Formula: CH..0: Predicted 1H NMR Spectrum 34 4.15 4.10 ppm 4.05 1.30 1.25 1.20 ppm 1.15 1.00 OH 2.50...
Write down problem number. Provide formula, HDI value, and a complete, chemically correct structure for each...
Write down problem number.
Provide formula, HDI value, and a complete, chemically correct
structure for each problem.
Assign signals in the 1H and 13C spectra to specific atoms,
identify structural units and/or functional groups.
Example:
Problem # 3
Formula: C8H8O2
HDI: 5
1H NMR: p-substituted Ar at 7.27-7.97 ppm, benzylic CH3 group at
2.42 ppm, COOH proton at 12.9 ppm
13C NMR: carbonyl C at 167.8 ppm (ester or acid), benzylic CH3
at 21.40 ppm, 4 remaining signals are Ar...
WHAT IS THE COMPOUND?? Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6,...
WHAT IS THE COMPOUND??
Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6, 128.9, 147.8 MS: % abundance 28 100 106 15 140 141 (M) 143 (M+2) HNMR spectrum (CDC) SOURCE: Reprinted with permission of Aldrich Chemical 82.75 (3H) 83.65 (1H) 86.50 (2H) 87.10 (2H) 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber...
PART 1 - For the following compounds A. Predict how many signals would be detected in...
PART 1 - For the following compounds A. Predict how many signals would be detected in the expected 'H NMR spectrum. B. Label proton groups and determine their multiplicity. c. Predict the chemical shifts of each signal in the expected 'H NMR spectrum of the following compounds from the correlation chart in the last page. <Example> Number of signals O Proton groups Multiplicity Triplet B Multiplet (sextet) c Triplet D Singlet Chemical Shirt (ppm) 0.8-1.0 1.2 - 1.5 3.2 4.0...
can
u please help me analyze my NMR
my experiment was for organic chemistry
FISCHER ESTERIFICATION
I did pentyl butyrate
starting materials were
1.1g of 1-pentanol
2.29 g of butyric acid
SAJV Fo.14 0.13 Fo.12 F0.11 0.10 Fo.09 Fo.08 Fo.07 Fo.06 Fo.05 0.04 Fo.03 Fo.02 0.01 0.00 0.01 5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 f1 (pom) 3.0 2.5 2.0 1.5 1.0 0.5 00 Faz Feto
identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
Identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
Zyban-3 c. Using numbers on structure, label each integrated peak on the HNMR spectrum. Label peaks due to nitrogen protons "11". A copy of the spectrum is online also po J.93 Сн -1.556 --- 1.537 83 82 81 80 79 78 77 76 75 ppm 1.60 1.55 1.50 2.00 2.00 ppm water --- ODOS €966 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 ppm 6.0 4.5 4.0 3.5 2.0 1.5 1.0
The 1H NMR spectrum has peaks (marked with "x") for a minor
byproduct - what might that be?
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm 1.0 CHEM 08LB: 1H NMR...
This is a two part question! (:
More information: in this image, we have confirmed that the
top hydogren has a chemical shift of 6.129 and the bottom hydrogen
has a chemical shift of 5.835.
Question 12 (8 pts) Shown below is the HH-COSY spectrum of 2-hexenal. Circle the peaks on the COSY spectrum that confirm your previous assignment of the vinyl hydrogen resonances on trans-2-hexenal by demonstrating that they are on adjacent carbon atoms. Draw a triangle around the...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze each peak using the information on chemical shift, integration, and multiplicity lean role. The insets are expanded views of each peak so that the muplicity is clear. propose a structure for the molecule. Show your work it, integration, and multiplicity learned in the tutorial. Molecular Formula: CH..0: Predicted 1H NMR Spectrum 34 4.15 4.10 ppm 4.05 1.30 1.25 1.20 ppm 1.15 1.00 OH 2.50...
Write down problem number.
Provide formula, HDI value, and a complete, chemically correct
structure for each problem.
Assign signals in the 1H and 13C spectra to specific atoms,
identify structural units and/or functional groups.
Example:
Problem # 3
Formula: C8H8O2
HDI: 5
1H NMR: p-substituted Ar at 7.27-7.97 ppm, benzylic CH3 group at
2.42 ppm, COOH proton at 12.9 ppm
13C NMR: carbonyl C at 167.8 ppm (ester or acid), benzylic CH3
at 21.40 ppm, 4 remaining signals are Ar...
WHAT IS THE COMPOUND??
Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6, 128.9, 147.8 MS: % abundance 28 100 106 15 140 141 (M) 143 (M+2) HNMR spectrum (CDC) SOURCE: Reprinted with permission of Aldrich Chemical 82.75 (3H) 83.65 (1H) 86.50 (2H) 87.10 (2H) 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber...
PART 1 - For the following compounds A. Predict how many signals would be detected in the expected 'H NMR spectrum. B. Label proton groups and determine their multiplicity. c. Predict the chemical shifts of each signal in the expected 'H NMR spectrum of the following compounds from the correlation chart in the last page. <Example> Number of signals O Proton groups Multiplicity Triplet B Multiplet (sextet) c Triplet D Singlet Chemical Shirt (ppm) 0.8-1.0 1.2 - 1.5 3.2 4.0...
Most questions answered within 3 hours.
-
Describe some respiratory and cardiovascular adaptations
enabling dolphins to stay underwater for long periods of time....
asked 4 minutes ago -
In a Poisson distribution, μ=.30μ=.30. (Round your
answers to 4 decimal places.)
(a)
What is...
asked 6 minutes ago -
A company has $35 per
unit in variable costs and $1,200,000 per year in fixed costs....
asked 22 minutes ago -
Only need g and h answered. I put the other questions/answers in
case any of them...
asked 30 minutes ago -
How does international trade theory help to explain the
existence and benefits of regional trade agreements?...
asked 31 minutes ago -
Match the social media strategy you will use to market Red
Wolves Pizzeria to the appropriate...
asked 24 minutes ago -
1. In 2018, Sony Corporation had net credit sales of $1,250,000.
On January 1, 2018, Allowance...
asked 24 minutes ago -
An electron traveling horizontally enters a region where a
uniform electric field of 15 N/C is...
asked 28 minutes ago -
If you were working for Target Corporation, what
Marketing tactics would you use to enhance their...
asked 41 minutes ago -
Write a 16 page PowerPoint Presentation on how International
Trade affects the economies of Third World...
asked 45 minutes ago -
Lanni Products is a start-up computer software development firm.
It currently owns computer equipment worth $23,000...
asked 49 minutes ago -
Imagine that you are bitten by a krait, a snake (closely related
to cobras) that secretes...
asked 58 minutes ago