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if you can explain to me step by step how to come up with the
answer....
for the following 2 compounds, please calculate, and show the calculations for, the degree of unsaturation, assign the IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR peaks, and draw th...
for the following 2 compounds, please calculate, and
show the calculations for, the degree of unsaturation, assign the
IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR
peaks, and draw the structure for the unknown compound.
CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
If someone explain how to find these unknowns..And what they are and how you got the answer. I am having a hard time rea...
If someone explain how to find these
unknowns..And what they are and how you got the answer. I am having
a hard time really understanding NMR and IR.. Thanks in advance
Unknowns for 1H NMR Final Report 16) Chemical Formula: CaHO IR: strong peak 1720cm зн зн 2H PPM 17) Chemical Formulae: CiHs Singlet, 9H 4H, Doublet Triplet Triplet Doublet Triplet, 3H Quartet, 2H PPM 18) Chemical Formula: CoH120 IR: Strong broad peak at 3200 cm 5H Зн 1H 2H...
please provide detailed explanation of solution for thumbs up 6. Reaction Coordinate Diagrams (10 points) (a)...
please
provide detailed explanation of solution for thumbs up
6. Reaction Coordinate Diagrams (10 points) (a) Sketch an accurate energy diagram that meets the following criteria (4 points) SM - OM Int - P SM - Int is endergonic and the slowest step. overall SM + P is exergonic. al Free Energy (G) Reaction Coordinate (b) Label the transitions states in your diagram (2 points) (c) Indicate AG. for the overall transformation (2 points) (d) Indicate E. for each step...
if you could also explain how you can determine the answer, I would really appreciate it!...
if you could also explain how you can determine the answer, I
would really appreciate it!
1. (15 points) Assign the resonances in the spectrum shown. The resonances on the spectrum are labelled A-D. On the lines provided, write the label that corresponds to each of the groups. The multiplicity (s = singlet, d = doublet, etc) and the integrals are given for each resonance. OCH3 + S, 6H H3 C CH₂ H OCH₃ x D s, 3H d, 2H...
if you can explain to me step by step how to come up with the answer....
if you can explain to me step by step how to come up with the
answer.
C. (2 Points) which pair (G 1, m, or v/Coans one Part 2 (10 Points Total) The following questions are based on the electron impact (El) mass spectrumm of tert-butylcyclopentane (A). a. (4 Points) What is the integer value of m/z for the molecular ion (M*) of A ? b. (3 Points) The base peak (most abundant ion) in the mass spectrum corresponds to...
A compound of unknown structure gave the following spectroscopic data: Mass spectrum: M+ = 88.1 IR:...
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given...
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given on the next page. [10 points] a. How many degrees of unsaturation are present in Unknown B? b. What functional groups are suggested by the IR spectral data? c. How many protons correspond to each signal of the 'H NMR? d. What C-H bonding (or types of protons) are suggested by the 'H NMR data? e. Suggest a structure consistent with parts 29a-d above....
could you please help me to explain the problem with answers and explain why peak c...
could you please help me to explain the problem with
answers and explain why peak c is 3h triplets ?
points) A compound, C&H-N, has the following IR and 'H NMR spectra. 100 momw Transmittance %) 0 TTT 500 1000 4000 3500 3000 2500 2000 1500 Wavenumber (cm) peak a: 2H, triplet peak b: 2H, multiplet peak c: 3H, triplet Intensity - TMS (a) (8 points) Calculate the degree of unsaturation for this compound. Degree of unsaturation = 2 (b)...
Can you explain these questions with full working out and answers please. Also, what does m/z...
Can you explain these questions with full working out and
answers please. Also, what does m/z 72 molecular ion mean in this
question? Thank you!
Elemental analysis of an unknown compound reveals that it oontains (pnly) the elements C, H& O, and that it contains 66.6 % carbon and 11.2 % hydrogen by mass. The mass spectrum of this compaund contains a molecular ion signal at m/z 72. The IR spectrum of this compound contal ns a strong signal at...
Can you explain problem 12 and 13 for me I have the right answers I just...
Can you explain problem 12 and 13 for me I have the right
answers I just don't know how to know the difference. For 12 I was
stuck between A and B and for 13 I was also stuck between A and
B
( 12. Which compound below fits the following proton NMR data? triplet singlet quartet 81.22 (3H) 81.98 (3H). 84.07 (2H) A. ALO ZH-quartet 34 - triplet 3H-singlet hu 0 B) CH3COCH2CH3 A) CH3CH2COCH3 OCH3 DU CH,CCH OCH3...
for the following 2 compounds, please calculate, and
show the calculations for, the degree of unsaturation, assign the
IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR
peaks, and draw the structure for the unknown compound.
CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
If someone explain how to find these
unknowns..And what they are and how you got the answer. I am having
a hard time really understanding NMR and IR.. Thanks in advance
Unknowns for 1H NMR Final Report 16) Chemical Formula: CaHO IR: strong peak 1720cm зн зн 2H PPM 17) Chemical Formulae: CiHs Singlet, 9H 4H, Doublet Triplet Triplet Doublet Triplet, 3H Quartet, 2H PPM 18) Chemical Formula: CoH120 IR: Strong broad peak at 3200 cm 5H Зн 1H 2H...
please
provide detailed explanation of solution for thumbs up
6. Reaction Coordinate Diagrams (10 points) (a) Sketch an accurate energy diagram that meets the following criteria (4 points) SM - OM Int - P SM - Int is endergonic and the slowest step. overall SM + P is exergonic. al Free Energy (G) Reaction Coordinate (b) Label the transitions states in your diagram (2 points) (c) Indicate AG. for the overall transformation (2 points) (d) Indicate E. for each step...
if you could also explain how you can determine the answer, I
would really appreciate it!
1. (15 points) Assign the resonances in the spectrum shown. The resonances on the spectrum are labelled A-D. On the lines provided, write the label that corresponds to each of the groups. The multiplicity (s = singlet, d = doublet, etc) and the integrals are given for each resonance. OCH3 + S, 6H H3 C CH₂ H OCH₃ x D s, 3H d, 2H...
if you can explain to me step by step how to come up with the
answer.
C. (2 Points) which pair (G 1, m, or v/Coans one Part 2 (10 Points Total) The following questions are based on the electron impact (El) mass spectrumm of tert-butylcyclopentane (A). a. (4 Points) What is the integer value of m/z for the molecular ion (M*) of A ? b. (3 Points) The base peak (most abundant ion) in the mass spectrum corresponds to...
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given on the next page. [10 points] a. How many degrees of unsaturation are present in Unknown B? b. What functional groups are suggested by the IR spectral data? c. How many protons correspond to each signal of the 'H NMR? d. What C-H bonding (or types of protons) are suggested by the 'H NMR data? e. Suggest a structure consistent with parts 29a-d above....
could you please help me to explain the problem with
answers and explain why peak c is 3h triplets ?
points) A compound, C&H-N, has the following IR and 'H NMR spectra. 100 momw Transmittance %) 0 TTT 500 1000 4000 3500 3000 2500 2000 1500 Wavenumber (cm) peak a: 2H, triplet peak b: 2H, multiplet peak c: 3H, triplet Intensity - TMS (a) (8 points) Calculate the degree of unsaturation for this compound. Degree of unsaturation = 2 (b)...
Can you explain these questions with full working out and
answers please. Also, what does m/z 72 molecular ion mean in this
question? Thank you!
Elemental analysis of an unknown compound reveals that it oontains (pnly) the elements C, H& O, and that it contains 66.6 % carbon and 11.2 % hydrogen by mass. The mass spectrum of this compaund contains a molecular ion signal at m/z 72. The IR spectrum of this compound contal ns a strong signal at...
Can you explain problem 12 and 13 for me I have the right
answers I just don't know how to know the difference. For 12 I was
stuck between A and B and for 13 I was also stuck between A and
B
( 12. Which compound below fits the following proton NMR data? triplet singlet quartet 81.22 (3H) 81.98 (3H). 84.07 (2H) A. ALO ZH-quartet 34 - triplet 3H-singlet hu 0 B) CH3COCH2CH3 A) CH3CH2COCH3 OCH3 DU CH,CCH OCH3...
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