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can I please have help choosing the correct answer with these questions because i am having...
can I please have help choosing the correct answer with these
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04. Which one of the following compounds would most likely exhibit a sharp peak at 1600 cm in its IR spectran? a. (CH)2C=C(H)2 b. CH2=CH2 C. CF2=CF2 d. CH3CH=CH2 QS. Which one of the following compounds would most likely exhibit a medium peak in the 3150-3450 cm - region, and a strong peak at 1652 cm!, in its IR...
I am trying to find the compound? If it is unknown what compound is it? i...
I am trying to find the compound? If it is unknown what
compound is it?
i
need to find the compound from the given spectrum
Unknown #315-S20-2 Mol. Wt. = 181.0 g/mol C = 33.17% H=5.01% 0 = 17.68% Mass Spectrum IR S 100- HS-1W-2525 A M = 101 Relative Intensity TEMETTRE o proti temperaturniejowerpoi 25 50 75 100 125 m/ n 150 t 175 Based on the M.W., circle & label the molecular ion peak (M). Spec Regie From...
I have to assign these bands from Sulfanilamide IR spectrum: 1) primary N-H for both RNH2...
I have to assign these bands from Sulfanilamide IR spectrum:
1) primary N-H for both RNH2 and RSO2NH2
2) N-H bend for both RNH2 and RSO2NH2
3) S=O symmetric and asymmetric
4) C-C aromatic
... .. . . . T h song Spectrum Name: Chem 201_3722.sp Spectrum Name: Chem 85 34.3 4000.0 3600 3200 2800 2400 2000 1800 cm- 1600 1400 1200 1 000 8 00 650.0 ww va
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500...
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500 Broad peak Amine N-H 3300-3500 Broad but half the size of OH Alkyl -C-H 2850-3000 Sharp, medium Alkene =C-H 3000-3100 Sharp, medium 3200-3300 Sharp, strong Sharp, weak Alkyne CEC 2100-2300 Nitrile CEN 2100-2300 Sharp, strong Carbonyl C=0 1650-1750 Sharp, strong Alkene C=C 1600-1650 Sharp, strong Aromatic C=C 1450-1600 Sharp, strong on : The followings are IR spectra of benzocaine, trans-cinnamic acid and biphenyl. Identify...
For the IR Spectroscopy; which of the following choices has the wavenumbers (frequency) correctly matches with...
For the IR Spectroscopy; which of the following choices has the wavenumbers (frequency) correctly matches with the functional groups, as they would appear in the regions of an IR spectrum? A. Two of these choices are true B. C-H stretch; 2850-3000 cm−1 C. O-H stretch; 3600-3200 cm−1 D. All of the above are true E. C=O stretch; 1800-1600 cm−1
IR spectroscopy 1. Match the following six compounds to the IR spectra shown below. Draw the...
IR spectroscopy 1. Match the following six compounds to the IR spectra shown below. Draw the structure in the box. On the spectra, mark all important peaks with arrows or circles, and label them with corresponding bonds. NH2 orte de Structure: IR Spectrum lould film) 1723 V 4000 2000 3000 1200 1600 V (cm ) Structure: IR Spectrum fiquld fam) 4000 2000 V (cm 16001200800 ) Exp - 119- Exp. 100 Structure: 3600-2500 IR Spectrum liguld fm) U 1715 4000...
An infrared wavelength of 4.48um is equivalent to a wavenumber of cm-1 Which region of the...
An infrared wavelength of 4.48um is equivalent to a wavenumber of cm-1 Which region of the electromagnetic spectrum, IR or UV, contains photons of the higher energy? Which region of the electromagnetic spectrum, radio or visible, is characterized by waves of shorter wavelength? Which region of the electromagnetic spectrum, IR or X-ray, is characterized by waves of lower frequency? Which has a lower characteristic stretching frequency, the C-H or C-D bond? Which has a lower characteristic stretching frequency, the C...
Question 45 1. a) NMR spectrum of CH3-CH2-O-CH3 contain one singlet, one quartet, and one triplet:...
Question 45 1. a) NMR spectrum of CH3-CH2-O-CH3 contain one singlet, one quartet, and one triplet: True/False True False Question 46 1.b) CHCI-CHBr2: two doublets (d) will appear in the NMR spectra: True/False True False Question 47 1.c) CH3-CH2-CO-CH2-CN: IR spectra will show a peak at 1740 and 2200cm-1: True/False True False Question 48 1 pts 1.d) NMR of the above molecule will show two triplets and one singlets: True/False True False Question 49 1 pts 1. e) Or, one...
6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present...
6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present in polystyrene? Which bands tell you this information? (give approximate wavenumbers) Transmission IR ATR IR 500 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm) FIGURE 21.13 Comparison of (top) a transmission spectrum of polystyrene with (bottom) an ATR spectrum of polystyrene. Strong peak between 1820-1600 cm 1? YES NO Carbonyl Present Look for "companion" peaks broad 3400-2400 cm! (O-H) Carboxylic Acid medium (maybe...
I need help with these questions please! I did them and I want to make sure...
I need help with these questions please! I did them and I want
to make sure that I got the right answers.
thanks!
1. Determine the structure of the chemical compound responsible analysis is %C, 71.98; %H, 6.71. (10 pts) i compound responsible for the carbon NMR spectrum. The elemental Egthio O2 ID=5 180 160 140 120 100 6 PPM 2. Determine the structure of the chemical compound responsible for the carbon NMR spectrum. The formula is C:H,.. (10 pts)...
can I please have help choosing the correct answer with these
questions because i am having trouble going back and forth
04. Which one of the following compounds would most likely exhibit a sharp peak at 1600 cm in its IR spectran? a. (CH)2C=C(H)2 b. CH2=CH2 C. CF2=CF2 d. CH3CH=CH2 QS. Which one of the following compounds would most likely exhibit a medium peak in the 3150-3450 cm - region, and a strong peak at 1652 cm!, in its IR...
I am trying to find the compound? If it is unknown what
compound is it?
i
need to find the compound from the given spectrum
Unknown #315-S20-2 Mol. Wt. = 181.0 g/mol C = 33.17% H=5.01% 0 = 17.68% Mass Spectrum IR S 100- HS-1W-2525 A M = 101 Relative Intensity TEMETTRE o proti temperaturniejowerpoi 25 50 75 100 125 m/ n 150 t 175 Based on the M.W., circle & label the molecular ion peak (M). Spec Regie From...
I have to assign these bands from Sulfanilamide IR spectrum:
1) primary N-H for both RNH2 and RSO2NH2
2) N-H bend for both RNH2 and RSO2NH2
3) S=O symmetric and asymmetric
4) C-C aromatic
... .. . . . T h song Spectrum Name: Chem 201_3722.sp Spectrum Name: Chem 85 34.3 4000.0 3600 3200 2800 2400 2000 1800 cm- 1600 1400 1200 1 000 8 00 650.0 ww va
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500 Broad peak Amine N-H 3300-3500 Broad but half the size of OH Alkyl -C-H 2850-3000 Sharp, medium Alkene =C-H 3000-3100 Sharp, medium 3200-3300 Sharp, strong Sharp, weak Alkyne CEC 2100-2300 Nitrile CEN 2100-2300 Sharp, strong Carbonyl C=0 1650-1750 Sharp, strong Alkene C=C 1600-1650 Sharp, strong Aromatic C=C 1450-1600 Sharp, strong on : The followings are IR spectra of benzocaine, trans-cinnamic acid and biphenyl. Identify...
IR spectroscopy 1. Match the following six compounds to the IR spectra shown below. Draw the structure in the box. On the spectra, mark all important peaks with arrows or circles, and label them with corresponding bonds. NH2 orte de Structure: IR Spectrum lould film) 1723 V 4000 2000 3000 1200 1600 V (cm ) Structure: IR Spectrum fiquld fam) 4000 2000 V (cm 16001200800 ) Exp - 119- Exp. 100 Structure: 3600-2500 IR Spectrum liguld fm) U 1715 4000...
An infrared wavelength of 4.48um is equivalent to a wavenumber of cm-1 Which region of the electromagnetic spectrum, IR or UV, contains photons of the higher energy? Which region of the electromagnetic spectrum, radio or visible, is characterized by waves of shorter wavelength? Which region of the electromagnetic spectrum, IR or X-ray, is characterized by waves of lower frequency? Which has a lower characteristic stretching frequency, the C-H or C-D bond? Which has a lower characteristic stretching frequency, the C...
Question 45 1. a) NMR spectrum of CH3-CH2-O-CH3 contain one singlet, one quartet, and one triplet: True/False True False Question 46 1.b) CHCI-CHBr2: two doublets (d) will appear in the NMR spectra: True/False True False Question 47 1.c) CH3-CH2-CO-CH2-CN: IR spectra will show a peak at 1740 and 2200cm-1: True/False True False Question 48 1 pts 1.d) NMR of the above molecule will show two triplets and one singlets: True/False True False Question 49 1 pts 1. e) Or, one...
6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present in polystyrene? Which bands tell you this information? (give approximate wavenumbers) Transmission IR ATR IR 500 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm) FIGURE 21.13 Comparison of (top) a transmission spectrum of polystyrene with (bottom) an ATR spectrum of polystyrene. Strong peak between 1820-1600 cm 1? YES NO Carbonyl Present Look for "companion" peaks broad 3400-2400 cm! (O-H) Carboxylic Acid medium (maybe...
I need help with these questions please! I did them and I want
to make sure that I got the right answers.
thanks!
1. Determine the structure of the chemical compound responsible analysis is %C, 71.98; %H, 6.71. (10 pts) i compound responsible for the carbon NMR spectrum. The elemental Egthio O2 ID=5 180 160 140 120 100 6 PPM 2. Determine the structure of the chemical compound responsible for the carbon NMR spectrum. The formula is C:H,.. (10 pts)...
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