Homework Answers
In this reaction, an alkene reacts with water in the acid medium to form an alcohol.
alcohol gives broadband for the alcohol functional group at 3200-3400 cm-1.In the reactant, this large, rounded peak for alcohol is not present as the alkene molecule does not give such types of a peak.
Thus, the student would see a large, rounded band at 3200 cm-1 in the product that was not present in the starting material alkene.
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Question 5 1 pts A student in the organic lab does the reaction seen below. What...
Question 4 Which functional groups are present in acetaminophen (see below)? Select all that apply. LOH...
Question 4 Which functional groups are present in acetaminophen (see below)? Select all that apply. LOH ZI 1800-1650, one large band 3300, one sharp band 3200-3400, one sharp band 1600-1500, small to medium band 3200-3400, large and rounded 3100-3000, one medium band 2260-2200, large sharp band 3200-3400, two sharp bands 3400-2400, one large, wide band 3000-2850, large band
3200-3400, large and rounded 3100-3000, one medium band 1800-1650, one large band 3000-2850, large band 3200-3400, one...
3200-3400, large and rounded 3100-3000, one medium band 1800-1650, one large band 3000-2850, large band 3200-3400, one sharp band 2260-2200, large sharp band 3300, one sharp band 3200-3400, two sharp bands 1600-1500, small to medium band 3400-2400, one large, wide band Question 4 3 pts Which functional groups are present in cocaine (see below)? Select all that apply. СНз НзС —N.
Question 6 1 pts Which band would not appear in the product that was in the...
Question 6 1 pts Which band would not appear in the product that was in the starting material in the addition of Br2 to 2-pentene? 0 3000-2850 1800-1650 0 3400-3600 2260-2200 1680-1620 O 3100-3000
1. Using the IR correlation table on the second image, indicate how you could distanguish between...
1. Using the IR correlation table on the second image,
indicate how you could distanguish between the following pairs of
compounds by using infrared spectroscopy. Give two specific
absence/appearance of wavrnumbers for each compound:
2. For this experiment, what is the purpose of adding acetone?
Predict what would happen if you omitted the acetone in the
experimental procedure.
3. Draw four different resonance structures of the
triphenylmethyl cation.
*IR correlation table
PRE-LAB QUESTIONS 1. Using the IR correlation table on...
Need help answering questions 5 (a, b, & c), 6, & 7. Thank you. erimental data:...
Need help answering questions 5 (a, b, & c), 6, & 7.
Thank you.
erimental data: a. Calculate the theoretical yield of product from today's experiment. Show your work (1 point) o.sgol = 0.00179 mol 278.775 g/mol lol = 0.0ol 79 mol x 260.33 ghnol = 0.466 g g b. Report the mass of synthesized product (0.25 point): 260.33 c. Report the melting range of synthesized product (0.5 point): 160-163°C d. Calculate the percent yield of today's experiment. Show your...
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...
For the reaction below, focus only on 2-methyl-2-butanol (starting material) and 2-chloro-2-methylbutane (desired product). We will...
For the reaction below, focus only on 2-methyl-2-butanol
(starting material) and 2-chloro-2-methylbutane (desired product).
We will not analyze HCl or H2O by IR.
From the two IR spectra below, identify which spectrum belongs
to which molecule. Then label the IR spectrum with the molecule’s
characteristic IR peaks. Highlight or place a box around the most
characteristic peak in the starting material’s IR. You do not need
to label the fingerprint region.
For the reaction below, focus only on 2-methyl-2-butanol...
HWI. A student ran the following reaction: 1 equjv NaH then MeBr H3C A TLC of...
HWI. A student ran the following reaction: 1 equjv NaH then MeBr H3C A TLC of the reaction after workup indicated the presence of TWO spots. After running a column and separating the two compounds by TLC, the student found that the majority of the mass gave the following NMR and FT-IR data. Is the maiority of the yield the desired product? Explain your answer. (HINT: compare the rectra below with those of P7 and P8. What signals are most...
NMR IR Post-Lab Questions Name: Elizabeth Bean HWI. A student ran the following reaction 1 equiv....
NMR IR Post-Lab Questions Name: Elizabeth Bean HWI. A student ran the following reaction 1 equiv. Nah then MeBr HC A TLC or the reaction after workup indicated the presence of TWO spots. After running a column and separating the two compounds by TLC, the student found that the majority of the mass gave the following NMR and FT-IR data. Is the majority of the yield the desired product? Explain your answer. (HINT, compare the spreetra below with those of...
HO HW2. A student ran the Grignard reaction below. CH, MgBr diethyl ether 2-pentanone 2-methyl-2-pentanol Upon c...
HO HW2. A student ran the Grignard reaction below. CH, MgBr diethyl ether 2-pentanone 2-methyl-2-pentanol Upon completing the reaction above (assume all workups), the student performs a crude NMR and FT-IR of the material prior to any purification. The spectra obtained are shown below: transmittance Use the spectra and the table found in the paper by Hugo E. Gottlich, Vadim Kotly, and Abraham Nudelman J. Org. Chem. 1997, 62, 7512-7515) to help answer the following questions (see next page of...
Question 4 Which functional groups are present in acetaminophen (see below)? Select all that apply. LOH ZI 1800-1650, one large band 3300, one sharp band 3200-3400, one sharp band 1600-1500, small to medium band 3200-3400, large and rounded 3100-3000, one medium band 2260-2200, large sharp band 3200-3400, two sharp bands 3400-2400, one large, wide band 3000-2850, large band
3200-3400, large and rounded 3100-3000, one medium band 1800-1650, one large band 3000-2850, large band 3200-3400, one sharp band 2260-2200, large sharp band 3300, one sharp band 3200-3400, two sharp bands 1600-1500, small to medium band 3400-2400, one large, wide band Question 4 3 pts Which functional groups are present in cocaine (see below)? Select all that apply. СНз НзС —N.
Question 6 1 pts Which band would not appear in the product that was in the starting material in the addition of Br2 to 2-pentene? 0 3000-2850 1800-1650 0 3400-3600 2260-2200 1680-1620 O 3100-3000
1. Using the IR correlation table on the second image,
indicate how you could distanguish between the following pairs of
compounds by using infrared spectroscopy. Give two specific
absence/appearance of wavrnumbers for each compound:
2. For this experiment, what is the purpose of adding acetone?
Predict what would happen if you omitted the acetone in the
experimental procedure.
3. Draw four different resonance structures of the
triphenylmethyl cation.
*IR correlation table
PRE-LAB QUESTIONS 1. Using the IR correlation table on...
Need help answering questions 5 (a, b, & c), 6, & 7.
Thank you.
erimental data: a. Calculate the theoretical yield of product from today's experiment. Show your work (1 point) o.sgol = 0.00179 mol 278.775 g/mol lol = 0.0ol 79 mol x 260.33 ghnol = 0.466 g g b. Report the mass of synthesized product (0.25 point): 260.33 c. Report the melting range of synthesized product (0.5 point): 160-163°C d. Calculate the percent yield of today's experiment. Show your...
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...
For the reaction below, focus only on 2-methyl-2-butanol
(starting material) and 2-chloro-2-methylbutane (desired product).
We will not analyze HCl or H2O by IR.
From the two IR spectra below, identify which spectrum belongs
to which molecule. Then label the IR spectrum with the molecule’s
characteristic IR peaks. Highlight or place a box around the most
characteristic peak in the starting material’s IR. You do not need
to label the fingerprint region.
For the reaction below, focus only on 2-methyl-2-butanol...
HWI. A student ran the following reaction: 1 equjv NaH then MeBr H3C A TLC of the reaction after workup indicated the presence of TWO spots. After running a column and separating the two compounds by TLC, the student found that the majority of the mass gave the following NMR and FT-IR data. Is the maiority of the yield the desired product? Explain your answer. (HINT: compare the rectra below with those of P7 and P8. What signals are most...
NMR IR Post-Lab Questions Name: Elizabeth Bean HWI. A student ran the following reaction 1 equiv. Nah then MeBr HC A TLC or the reaction after workup indicated the presence of TWO spots. After running a column and separating the two compounds by TLC, the student found that the majority of the mass gave the following NMR and FT-IR data. Is the majority of the yield the desired product? Explain your answer. (HINT, compare the spreetra below with those of...
HO HW2. A student ran the Grignard reaction below. CH, MgBr diethyl ether 2-pentanone 2-methyl-2-pentanol Upon completing the reaction above (assume all workups), the student performs a crude NMR and FT-IR of the material prior to any purification. The spectra obtained are shown below: transmittance Use the spectra and the table found in the paper by Hugo E. Gottlich, Vadim Kotly, and Abraham Nudelman J. Org. Chem. 1997, 62, 7512-7515) to help answer the following questions (see next page of...
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