1. After filtering your final product, you find that your product is still wet, but you...
1. After filtering your final product, you find that your product is still wet, but you proceed to take a melting point anyways. The literature melting point of luminol is 319 °C. What do you expect the melting point of your luminol to be? What would you expect the yield to be? Would it be an accurate yield?
2. While going to conduct the chemiluminescence test, you forgot to dilute Solution A. What do expect the effect of your chemiluminescence would be? Be specific with respect to time and intensity of chemiluminescence (assume that you successfully synthesized luminol).
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1. After filtering your final product, you find that your
product is still wet, but you...
1. After filtering your final product, you find that your product is still wet, but you...
1. After filtering your final product, you find that your product is still wet, but you proceed to take a melting point anyways. The literature melting point of luminol is 319 °C. What do you expect the melting point of your luminol to be? What would you expect the yield to be? Would it be an accurate yield? 2. While going to conduct the chemiluminescence test, you forgot to dilute Solution A. What do expect the effect of your chemiluminescence...
4. While filtering your product on the Buchner funnel, you washed the crystals with 15 mL of cold...
4. While filtering your product on the Buchner funnel, you washed the crystals with 15 mL of cold water. What is the purpose of washing the crystals? a. I alss hale b. Why do you think it was necessary for the water to bè cold Ttis neressam For the w becavse itiatw melt thestals Instructor Initials_ CHL 161 Experiment #8 (Rev. 1/7/2019)
4. While filtering your product on the Buchner funnel, you washed the crystals with 15 mL of cold...
Analysis Questions 1. Given the structure of an aldehyde and a ketone, predict the structure of the reaction produc...
Analysis Questions 1. Given the structure of an aldehyde and a ketone, predict the structure of the reaction product. Use the table below to practice and to predict the possible products your class synthesized. HẠC CHỊ acetone cyclopentanone benzaldehyde Product #1, m.p. 113 °C Product #2, m.p. 189 °C NA trans-cinnamaldehyde Product #3, m.p. 144 °C 2. Include the IR spectrum of your product. Label important peaks with corresponding functional group. 3. Include the melting point your product. 4. Draw...
What conclusions did you draw about the synthesis and purity of your aspirin product by comparing...
What conclusions did you draw about the synthesis and purity of your aspirin product by comparing the melting point of your CRUDE and PURE products to the literature values? Answer in one-three sentences (8 pts)
Organic Chemistry: Acetylation & Bromination Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights:...
Organic Chemistry: Acetylation & Bromination
Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights: Day 1 aniline_1.019 crude acetanilide obtained acetic anhydride 1. 0.8ta Weights: Day 2 acetanilide used for bromination 0:59 recrystallized bromoacetanilide 0.369 Melting Points: 139.0°C - Observed melting point of recrystallized bromoacetanilide 1910 Literature Melting points Literature Melting Point References acetanilide 113-115°C chemical book.com o-bromoacetanilide 96.5-100.5°C Chemical book.com p-bromoacetanilide 165-169°C chemical book.com QUESTIONS – DAY 1 1) What is the percent yield for your acetylation...
For the Diels Alder lab, you recrystallized your product in toluene. Which of the following do...
For the Diels Alder lab, you recrystallized your product in toluene. Which of the following do you expect to happen after recrystallization? Recrystallization in Toluene will cause hydrolysis of the acid anhydride, giving you a carboxylic acid byproduct. The melting point of your product goes from 240-250 Celsius before recrystallization to 262-264 Celsius after recrystallization. The melting point of your product goes from 262-264 Celsius before recrystallization to 240-250 Celsius after recrystallization. Recrystallization completes the reaction and pushes equilibrium toward...
3. Circle the molecule would you expect to have the higher melting point and explain your...
3. Circle the molecule would you expect to have the higher melting point and explain your choice. ОН 4. The following is a generic reaction equation for a Fischer Esterification. H+ R'-OH Н.О R' ОН R' OR' How would you increase the yield of the ester product? a. What effect does the acid catalyst have on the position of equilibrium? b. c. The forward reaction is an esterification. What is the reverse reaction called? 5. Name one of the noncovalent...
Wate anchor wro - 18,521g with and Questions: Product Suche minutes, hot nahe on 1. What product(s) do you expect t...
Wate anchor wro - 18,521g with and Questions: Product Suche minutes, hot nahe on 1. What product(s) do you expect to isolate if you nitrate phenol? Why? product 2. Why is an ice bath employed in the nitration of methyl benzoate? 3. What does the melting point range say about the identity and purity of the product? 4. Indicate the products formed and why they are formed in the nitration of benzene, toluene and benzoic acid.
what would you expect your final product to be if.....? ab queStiun s wnot would yon...
what would you expect your final product to be
if.....?
ab queStiun s wnot would yon expect udul fine odut to f Pe HNO ゴ/viol
The weight of aspirin is 1.6 g and the reagents used to perform this synthesis was...
The weight of aspirin is 1.6 g and the reagents used to perform
this synthesis was 1.48 g salicylic acid, 3 mL ethanoic anhydride,
3 drops H2SO4, and acetylsalicylic acid
Synthesis of Aspirin Post-lab Questions February 2, 2018 Discussion of the aspirin product including, 1. The calculated percent yield of your aspirin product and comments on its purity based on the literature melting point and literature IR spectrum. Label all major peaks in the IR spectrum of your aspirin product....
4. While filtering your product on the Buchner funnel, you washed the crystals with 15 mL of cold water. What is the purpose of washing the crystals? a. I alss hale b. Why do you think it was necessary for the water to bè cold Ttis neressam For the w becavse itiatw melt thestals Instructor Initials_ CHL 161 Experiment #8 (Rev. 1/7/2019)
4. While filtering your product on the Buchner funnel, you washed the crystals with 15 mL of cold...
Analysis Questions 1. Given the structure of an aldehyde and a ketone, predict the structure of the reaction product. Use the table below to practice and to predict the possible products your class synthesized. HẠC CHỊ acetone cyclopentanone benzaldehyde Product #1, m.p. 113 °C Product #2, m.p. 189 °C NA trans-cinnamaldehyde Product #3, m.p. 144 °C 2. Include the IR spectrum of your product. Label important peaks with corresponding functional group. 3. Include the melting point your product. 4. Draw...
Organic Chemistry: Acetylation & Bromination
Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights: Day 1 aniline_1.019 crude acetanilide obtained acetic anhydride 1. 0.8ta Weights: Day 2 acetanilide used for bromination 0:59 recrystallized bromoacetanilide 0.369 Melting Points: 139.0°C - Observed melting point of recrystallized bromoacetanilide 1910 Literature Melting points Literature Melting Point References acetanilide 113-115°C chemical book.com o-bromoacetanilide 96.5-100.5°C Chemical book.com p-bromoacetanilide 165-169°C chemical book.com QUESTIONS – DAY 1 1) What is the percent yield for your acetylation...
For the Diels Alder lab, you recrystallized your product in toluene. Which of the following do you expect to happen after recrystallization? Recrystallization in Toluene will cause hydrolysis of the acid anhydride, giving you a carboxylic acid byproduct. The melting point of your product goes from 240-250 Celsius before recrystallization to 262-264 Celsius after recrystallization. The melting point of your product goes from 262-264 Celsius before recrystallization to 240-250 Celsius after recrystallization. Recrystallization completes the reaction and pushes equilibrium toward...
Wate anchor wro - 18,521g with and Questions: Product Suche minutes, hot nahe on 1. What product(s) do you expect to isolate if you nitrate phenol? Why? product 2. Why is an ice bath employed in the nitration of methyl benzoate? 3. What does the melting point range say about the identity and purity of the product? 4. Indicate the products formed and why they are formed in the nitration of benzene, toluene and benzoic acid.
what would you expect your final product to be
if.....?
ab queStiun s wnot would yon expect udul fine odut to f Pe HNO ゴ/viol
The weight of aspirin is 1.6 g and the reagents used to perform
this synthesis was 1.48 g salicylic acid, 3 mL ethanoic anhydride,
3 drops H2SO4, and acetylsalicylic acid
Synthesis of Aspirin Post-lab Questions February 2, 2018 Discussion of the aspirin product including, 1. The calculated percent yield of your aspirin product and comments on its purity based on the literature melting point and literature IR spectrum. Label all major peaks in the IR spectrum of your aspirin product....
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