Homework Answers
Question 1
m-nitro acetophenone will have all the peaks like m-nitro benzoic acid. But C=O stretching would have shifted from 1710 cm-1 to 1730-1. Apart from, m-nitro benzoic acid will generate O-H stretching peak around 3000-3300 cm-1. By seeing O-H stretching broad peak we can confirm the formation of product.
Question 2
m-nitro benzoic acid will generate O-H stretching peak around 3000-3300 cm-1 that will not be present in methyl-3-nitro benzoate.
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For the 2-step reaction we are doing this lab: Step 1: NaOCI NO2 NO2 m-nitroacetophenone m-nitrobenzoic...
answer matching questions 37-41 Spring 2019 Matching-Please record answers on the bubble sheet Match the proper structure and name. NO2 OH он CI a) 2-fluoroethylbenzene e) m-chlorobenzoic acid b)...
answer matching questions 37-41
Spring 2019 Matching-Please record answers on the bubble sheet Match the proper structure and name. NO2 OH он CI a) 2-fluoroethylbenzene e) m-chlorobenzoic acid b) 4-isopropylaniline d) 3-methyl-2-nitrobenzoic acid 37. ( poino What is the best name for compound 111? ー38, a poino what is the best naine for compound II? Select the correet intermediates to complete the reaction scheme below CH3 Na H-CEC: 1) 1) NaH MCPBA 2) dilute HCi 2) CHI + enantiomer n)...
6) In the synthesis of bromopropane we used NaBr and H2S04. Why the reaction does not...
6) In the synthesis of bromopropane we used NaBr and H2S04. Why the reaction does not work with only NaBr? 7) The following is a reaction you will see in second semester organic chemistry. The molecular weight of methyl benzoate is 136.16 g/mol and the molecular weight of the product is 181.15 g/mol. COCH3 COCH3 HNO3 i H2SO4 NO2 methyl benzoate methyl 3-nitrobenzoate Assume you have excess acid and you start off with 2.4 g of methyl benzoate. What is...
1-3? e-Laboratory Questions-Expa XP 3 Name: Nitration of Aromatic Compounds Due before lab begins. Answer in...
1-3?
e-Laboratory Questions-Expa XP 3 Name: Nitration of Aromatic Compounds Due before lab begins. Answer in space provided. 1. Which is nitrated faster? toluene or nitrobenzene? Explain. 2. Indicate the product formed on (mono) nitration of each of the following compounds: a) Cyanobenzene (benzonitrile) b) toluene c) benzoic acid 3. Why is methyl m-nitrobenzoate formed in this reaction instead of o- and p-? What product would you expect if methyl benzoate underwent dinitration? 4. Methyl-m-nitrobenzoate is an excellent (identification) derivative...
The reaction 2 NO2 --> 2 N2 + O2 follows the mechanism: Step 1: NO2 --NO...
The reaction 2 NO2 --> 2 N2 + O2 follows the mechanism: Step 1: NO2 --NO NO3 NO2 SLOW + + Step 2: NO3 CO FAST NO2 CO2 -> + What is the intermediate in the reaction? none of these NO2 ONO3 OOOO
3-5?? e-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: tso ds Due before lab begins. Answer...
3-5??
e-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: tso ds Due before lab begins. Answer in space provided. 1. Which is nitrated faster? toluene or nitrobenzene? Explain. 2. Indicate the product formed on (mono) nitration of each of the following compounds: a) Cyanobenzene (benzonitrile) b) toluene c) benzoic acid. 3. Why is methyl m-nitrobenzoate formed in this reaction instead of o- and p-? What product would you expect if methyl benzoate underwent dinitration? 4. Methyl-m-nitrobenzoate is an excellent (identification)...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the experimental section above) H2SO4 + Na2Cr207 2H20- H2O, A Molecular Weight Theoretical yield amount moles on (if applicable) Equivalents 2. Look up the melting point for p-nitrobenzoic acid and record the reference. 3. What color change is expected to be observed in the reaction? Explain why. CHROMIC ACID OXIDATION Experimental Procedure: Part I: Synthesis of p-nitrobenzoic Acid 1. Under the hood, add 0.400 g...
Calculate the theoretical yield and percent yield for experiments 7, 8, and 9. For experiment 9,...
Calculate the theoretical yield and percent yield for
experiments 7, 8, and 9. For experiment 9, determine the
theoretical yield based on starting with 0.50g of 3-nitrobenzoic
acid. Show work
Acid I (experiment 7): Weight of methyl 3-nitrobenzoate = 1.9
g
Acid II (experiment 8): Weight of 3-nitrobenzoic acid = 1.75
g
Acid III (experiment 9): Weight of 3-nitrobenzamide = 0.30 g
Experiment 7:
-2.5 mL concentrated H2SO4
-1.75 mL concentrated HNO3 (16M)
-2.1 mL concentrated Methyl Benzoate
Experiment 8:...
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...
2. Consider this two step mechanism for a reaction… Step 1 NO2 + O3 --> NO3 ...
2. Consider this two step mechanism for a reaction… Step 1 NO2 + O3 --> NO3 + O2 slow; rate determining step Step 2 NO3 + NO2 --> N2O5 fast a. What is the overall reaction? b. Identify the intermediates in the mechanism. c. Write the rate law expression for each step of the mechanism including any reversible reactions. c. What is the predicted rate law expression? Be sure to only list reactants from the overall equation and not intermediates...
Provide a stepwise mechanism for the multi-step synthesis of Benzocaine. The overall reaction can be seen...
Provide a stepwise mechanism for the multi-step synthesis of
Benzocaine. The overall reaction can be seen above. Please show
every step- thanks!
NH HN-C-CH; 1) KMnO4, MgSO4 HN-C-CH; (CH3CO)20 CH; 2) H2SO4 HO СН3 p-acetotoluidide COOH p-toluidine 1) HCI, 2) pH 7 H2O, A NH2 CH3CH,OH H2SO4 HOⓇO CH3CH2O o Benzocaine PABA We wish to oxidize the methyl group of p-toluidine but cannot do so without oxidizing the amino group (NH2). Consequently, the first step of our lab synthesis of...
answer matching questions 37-41
Spring 2019 Matching-Please record answers on the bubble sheet Match the proper structure and name. NO2 OH он CI a) 2-fluoroethylbenzene e) m-chlorobenzoic acid b) 4-isopropylaniline d) 3-methyl-2-nitrobenzoic acid 37. ( poino What is the best name for compound 111? ー38, a poino what is the best naine for compound II? Select the correet intermediates to complete the reaction scheme below CH3 Na H-CEC: 1) 1) NaH MCPBA 2) dilute HCi 2) CHI + enantiomer n)...
6) In the synthesis of bromopropane we used NaBr and H2S04. Why the reaction does not work with only NaBr? 7) The following is a reaction you will see in second semester organic chemistry. The molecular weight of methyl benzoate is 136.16 g/mol and the molecular weight of the product is 181.15 g/mol. COCH3 COCH3 HNO3 i H2SO4 NO2 methyl benzoate methyl 3-nitrobenzoate Assume you have excess acid and you start off with 2.4 g of methyl benzoate. What is...
1-3?
e-Laboratory Questions-Expa XP 3 Name: Nitration of Aromatic Compounds Due before lab begins. Answer in space provided. 1. Which is nitrated faster? toluene or nitrobenzene? Explain. 2. Indicate the product formed on (mono) nitration of each of the following compounds: a) Cyanobenzene (benzonitrile) b) toluene c) benzoic acid 3. Why is methyl m-nitrobenzoate formed in this reaction instead of o- and p-? What product would you expect if methyl benzoate underwent dinitration? 4. Methyl-m-nitrobenzoate is an excellent (identification) derivative...
The reaction 2 NO2 --> 2 N2 + O2 follows the mechanism: Step 1: NO2 --NO NO3 NO2 SLOW + + Step 2: NO3 CO FAST NO2 CO2 -> + What is the intermediate in the reaction? none of these NO2 ONO3 OOOO
3-5??
e-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: tso ds Due before lab begins. Answer in space provided. 1. Which is nitrated faster? toluene or nitrobenzene? Explain. 2. Indicate the product formed on (mono) nitration of each of the following compounds: a) Cyanobenzene (benzonitrile) b) toluene c) benzoic acid. 3. Why is methyl m-nitrobenzoate formed in this reaction instead of o- and p-? What product would you expect if methyl benzoate underwent dinitration? 4. Methyl-m-nitrobenzoate is an excellent (identification)...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the experimental section above) H2SO4 + Na2Cr207 2H20- H2O, A Molecular Weight Theoretical yield amount moles on (if applicable) Equivalents 2. Look up the melting point for p-nitrobenzoic acid and record the reference. 3. What color change is expected to be observed in the reaction? Explain why. CHROMIC ACID OXIDATION Experimental Procedure: Part I: Synthesis of p-nitrobenzoic Acid 1. Under the hood, add 0.400 g...
Calculate the theoretical yield and percent yield for
experiments 7, 8, and 9. For experiment 9, determine the
theoretical yield based on starting with 0.50g of 3-nitrobenzoic
acid. Show work
Acid I (experiment 7): Weight of methyl 3-nitrobenzoate = 1.9
g
Acid II (experiment 8): Weight of 3-nitrobenzoic acid = 1.75
g
Acid III (experiment 9): Weight of 3-nitrobenzamide = 0.30 g
Experiment 7:
-2.5 mL concentrated H2SO4
-1.75 mL concentrated HNO3 (16M)
-2.1 mL concentrated Methyl Benzoate
Experiment 8:...
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...
Provide a stepwise mechanism for the multi-step synthesis of
Benzocaine. The overall reaction can be seen above. Please show
every step- thanks!
NH HN-C-CH; 1) KMnO4, MgSO4 HN-C-CH; (CH3CO)20 CH; 2) H2SO4 HO СН3 p-acetotoluidide COOH p-toluidine 1) HCI, 2) pH 7 H2O, A NH2 CH3CH,OH H2SO4 HOⓇO CH3CH2O o Benzocaine PABA We wish to oxidize the methyl group of p-toluidine but cannot do so without oxidizing the amino group (NH2). Consequently, the first step of our lab synthesis of...
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