Could I get help with number 9?Homework Answers
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Could I get help with number 9?
What IR evidence was used to identify the specific...
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...
3) Four of the compounds below contain carbonyl functional groups. a). What stretching frequency will they...
3) Four of the compounds below contain carbonyl
functional groups.
a). What stretching frequency will they have in common? Name the
bond and typical cm^-1
b). Are there variations in the stretching frequency that you named
above for the different carbonyl functional groups? If so,
what?
Infrared Absorption Bands Frequency (cm ) Type of Vibration Intensity C-H Alkanes -CH --CH, Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) 3000-2850 1450 and 1375 1465 3100-3000 1000-650 3150-3050 900-690...
3. Record the characteristic absorption bands for your unknown. my unknown is 2-pentanol Table of Typical...
3. Record the characteristic absorption bands for your
unknown.
my unknown is 2-pentanol
Table of Typical IR Frequencies IR Stretching Frequencies (cm) Mayoran Triple Bonds 2100-2260 alkyne nitrile C-H alkane (sp) 3000-2850 alkene (sp?) 3080-3020 alkyne isp) 3300-3330 aromatic ispa) 3100-3000 aldehyde 2900,2700 O-H alcohol H-Bonded - 3800-3200 (broad) acid - 3000-2500 (broad) Double Bonds alkene C.C. 1680-1620 aromatic C.C 1600-145€ ester C. acid C. 1725-1700 amide CuO 1600-1650 aldehyde cao 1740-1720 ketone C. saturated 1725-1705 a. unsaturated aryt 1686-1665...
I need help with these questions please! 3. What are the hydrolysis products in the reaction...
I need help with these questions please!
3. What are the hydrolysis products in the reaction below? Coba 4. Determine if the IR spectrums below belong to benzoic acid or methyl benozate. What are the important types of bonds on each IR spectrum? And what are the bonds frequencies on both IR spectrums? ---------- LAULUDED BELIEU ------------ The IR spectrum for benzaldehyde is below. Identify the bonds that absorb at the following wavenumbers. 3086 cm-1 2860 and 2736 cm-1 1703...
The IR spectrum of a sample contains absorptions at 3050, 2950, and 1620 cm^-1. To what...
The IR spectrum of a sample contains absorptions at 3050, 2950, and 1620 cm^-1. To what class of organic compound does this sample most likely belong? A) alkane B) alkene C) alkyne D) ester E) alcohol Which of the following most closely matches the C C stretching frequency? A) 3300 B) 3000 C) 2200 D) 1700 E) 1200 What IR absorption is characteristic of the terminal C-H stretch in terminal alkynes? A) 3500 cm^-1 B) 3300 cm^-1 C) 2400 cm^-1...
4. Analyze the IR spectrum of your product, filling in the table below. You should utilize your c...
If you could help
explain the chart above, that would be awesome.
4. Analyze the IR spectrum of your product, filling in the table below. You should utilize your course textbook (pp. 764-766), if you need assistance. Please note that the frequency given below should be exact (one number), not a range. Use the frequency of the center of the band at its strongest point. Then, on the spectrum itself, mark the characteristic bands at their strongest point with a...
please answer b *PLEASE DO NOT FORGET THE EXPLANATION* b. Circle the most likely structure that...
please answer b
*PLEASE DO NOT FORGET THE EXPLANATION*
b. Circle the most likely structure that corresponds to the IR spectrum: Spectrum: Explanation (be specific): Infrared Absorption Bands Frequency (cm ) Type of Vibration Intensity C-H Alkanes -CH -CH2- Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) Aromatics 3000-2850 1450 and 1375 1465 3100-3000 1000-650 3150-3050 900-690 ca. 3300 2900-2800 2800-2700 Alkyne Aldehyde O-H Alcohol, phenols Free H-bonded Carboxylic acids Primary and secondary amines and amides (stretch)...
IR Is there an OH? Wavenumber? Is there a carbonyl group? If so what type (acid....
IR
Is there an OH? Wavenumber?
Is there a carbonyl group? If so what type (acid. ester, amide,
aldehyde, ketone etc.)? Wave number?
Other important peaks (terminal alkyne, cyano group, aromatic,
alkene, nitro group, amine etc.) and where are they?
27 100 80 90 110 70 40 50 30 80 MZ IR spectrum 70- 80- -1858 50- Transmittance 40- 30- -1375 20- 10- 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 dtv C G Search or type URL + #...
please answer C and PLEASE do not forget the explanation C. Circle the most likely structure...
please answer C and PLEASE do not forget the
explanation
C. Circle the most likely structure that corresponds to the IR spectrum: OH OH Explanation (be specific): Spectrum: ARVENUHERIA Infrared Absorption Bands Frequency (cm ) Intensity Type of Vibration C-H Alkanes -CH -CH- Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) 3000-2850 1450 and 1375 1465 3100-3000 1000 650 3150 3050 900-690 ca. 3300 2900-2800 2800-2700 Aromatics Alkyne Aldehyde 0-н 3650-3600 3400-3200 3400-2400 Alcohol, phenols Free H-bonded...
Please show any work or explanation and help with filling out the data table. I appreciate...
Please show any work or explanation and help with
filling out the data table. I appreciate it very much. Thank
you!
5. (Opts) Propose opts) Propose a reasonable to heterostom for the organic molecule that gave rise to the spectra below. Complete the me poctra below. Complete the datablas below related to the structure that you've identified Mass Spectrum 100 Relative Intensity 10 20 30 40 50 70 80 90 60 m/z 100 110 IR Spectrum 028 1936.93 13C NMR...
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...
3) Four of the compounds below contain carbonyl
functional groups.
a). What stretching frequency will they have in common? Name the
bond and typical cm^-1
b). Are there variations in the stretching frequency that you named
above for the different carbonyl functional groups? If so,
what?
Infrared Absorption Bands Frequency (cm ) Type of Vibration Intensity C-H Alkanes -CH --CH, Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) 3000-2850 1450 and 1375 1465 3100-3000 1000-650 3150-3050 900-690...
3. Record the characteristic absorption bands for your
unknown.
my unknown is 2-pentanol
Table of Typical IR Frequencies IR Stretching Frequencies (cm) Mayoran Triple Bonds 2100-2260 alkyne nitrile C-H alkane (sp) 3000-2850 alkene (sp?) 3080-3020 alkyne isp) 3300-3330 aromatic ispa) 3100-3000 aldehyde 2900,2700 O-H alcohol H-Bonded - 3800-3200 (broad) acid - 3000-2500 (broad) Double Bonds alkene C.C. 1680-1620 aromatic C.C 1600-145€ ester C. acid C. 1725-1700 amide CuO 1600-1650 aldehyde cao 1740-1720 ketone C. saturated 1725-1705 a. unsaturated aryt 1686-1665...
I need help with these questions please!
3. What are the hydrolysis products in the reaction below? Coba 4. Determine if the IR spectrums below belong to benzoic acid or methyl benozate. What are the important types of bonds on each IR spectrum? And what are the bonds frequencies on both IR spectrums? ---------- LAULUDED BELIEU ------------ The IR spectrum for benzaldehyde is below. Identify the bonds that absorb at the following wavenumbers. 3086 cm-1 2860 and 2736 cm-1 1703...
The IR spectrum of a sample contains absorptions at 3050, 2950, and 1620 cm^-1. To what class of organic compound does this sample most likely belong? A) alkane B) alkene C) alkyne D) ester E) alcohol Which of the following most closely matches the C C stretching frequency? A) 3300 B) 3000 C) 2200 D) 1700 E) 1200 What IR absorption is characteristic of the terminal C-H stretch in terminal alkynes? A) 3500 cm^-1 B) 3300 cm^-1 C) 2400 cm^-1...
If you could help
explain the chart above, that would be awesome.
4. Analyze the IR spectrum of your product, filling in the table below. You should utilize your course textbook (pp. 764-766), if you need assistance. Please note that the frequency given below should be exact (one number), not a range. Use the frequency of the center of the band at its strongest point. Then, on the spectrum itself, mark the characteristic bands at their strongest point with a...
please answer b
*PLEASE DO NOT FORGET THE EXPLANATION*
b. Circle the most likely structure that corresponds to the IR spectrum: Spectrum: Explanation (be specific): Infrared Absorption Bands Frequency (cm ) Type of Vibration Intensity C-H Alkanes -CH -CH2- Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) Aromatics 3000-2850 1450 and 1375 1465 3100-3000 1000-650 3150-3050 900-690 ca. 3300 2900-2800 2800-2700 Alkyne Aldehyde O-H Alcohol, phenols Free H-bonded Carboxylic acids Primary and secondary amines and amides (stretch)...
IR
Is there an OH? Wavenumber?
Is there a carbonyl group? If so what type (acid. ester, amide,
aldehyde, ketone etc.)? Wave number?
Other important peaks (terminal alkyne, cyano group, aromatic,
alkene, nitro group, amine etc.) and where are they?
27 100 80 90 110 70 40 50 30 80 MZ IR spectrum 70- 80- -1858 50- Transmittance 40- 30- -1375 20- 10- 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 dtv C G Search or type URL + #...
please answer C and PLEASE do not forget the
explanation
C. Circle the most likely structure that corresponds to the IR spectrum: OH OH Explanation (be specific): Spectrum: ARVENUHERIA Infrared Absorption Bands Frequency (cm ) Intensity Type of Vibration C-H Alkanes -CH -CH- Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) 3000-2850 1450 and 1375 1465 3100-3000 1000 650 3150 3050 900-690 ca. 3300 2900-2800 2800-2700 Aromatics Alkyne Aldehyde 0-н 3650-3600 3400-3200 3400-2400 Alcohol, phenols Free H-bonded...
Please show any work or explanation and help with
filling out the data table. I appreciate it very much. Thank
you!
5. (Opts) Propose opts) Propose a reasonable to heterostom for the organic molecule that gave rise to the spectra below. Complete the me poctra below. Complete the datablas below related to the structure that you've identified Mass Spectrum 100 Relative Intensity 10 20 30 40 50 70 80 90 60 m/z 100 110 IR Spectrum 028 1936.93 13C NMR...
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