Chm 2211 Samenvattingen, Aantekeningen en Examens
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![CHM 2211L Key PASSED Exam Questions and CORRECT Answers](/docpics/5268672/663fab1d9b1ae_5268672_121_171.jpeg)
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CHM 2211L Key PASSED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 15 pagina's • 2024
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Mixtures have (higher/lower) melting points than pure substanceslower 
What is the purpose of sodium acetate solution in the amide synthesis of 
acetophenetidin?In the acylation reaction, the amine acts as a nucleophile, but we have 
the ammonium salt present in our solution. This ammonium salt can't act as a nucleophile (it 
doesn't have non-bonded electrons to use), so we need to add something to deprotonate the 
ammonium salt. This is the purpose of the sodium acetate - it is just a wea...
![CHM 2211L TOP Study Guide Exam Questions and CORRECT Answers](/docpics/5268665/663faae36603b_5268665_121_171.jpeg)
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CHM 2211L TOP Study Guide Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 15 pagina's • 2024
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Why did we use decolorizing carbon?To remove impurities from oxidation 
Which functional group was oxidized in the acetophenitidin?the amine 
Why do we need to take impurities out of reactions?because impurities will lower the 
yield 
why do we add acetic anhydryde?to make it more neutral again so that it can react 
What is the proper way to make an icebath?1/4 water and 3/4 ice to increase the surface 
area 
We added sodium methoxide (a strong base)...what would happen if we skipped this 
st...
![CHM 2211L UPDATED Exam Questions and CORRECT Answers](/docpics/5268682/663fab5e313ed_5268682_121_171.jpeg)
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CHM 2211L UPDATED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 11 pagina's • 2024
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What is a technique used to purify organic solids?recrystallization 
When an organic chemist conducts a recrystallization, he chooses a solvent that will 
what?completely dissolve both the desired compound and any other organic impurities 
when that solvent is at BP 
In addition to solubility at boiling temperature requirement of the solvent in recrystallization, 
the desired compound must also be what?insoluble in the chosen solvent at cold 
temperatures, and the organic impurities must rem...
![CHM 2211L Certification Exam Questions and CORRECT Answers](/docpics/5268678/663fab2038781_5268678_121_171.jpeg)
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CHM 2211L Certification Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 11 pagina's • 2024
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Which of the following is a monomer? 
a. benzene dimethanol 
b. cellulose 
c. glucose 
d. polyvinyl alcoholbenzene dimethanol cannot be a polymer 
answer: glucose 
The final polymers you synthesized followed which pattern? 
a. AB 
b. ABC 
c. ABA 
d. ABB 
e. AAABA
CHM 2211L ORGANIC CHEMISTRY LAB / CHM 2211L MIDTERM REVIEW
![CHM 2211L Key PASSED Exam Questions and CORRECT Answers](/docpics/5295041/6643182f49c79_5295041_121_171.jpeg)
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CHM 2211L Key PASSED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 15 pagina's • 2024
-
- $10.99
- + meer info
Mixtures have (higher/lower) melting points than pure substanceslower 
What is the purpose of sodium acetate solution in the amide synthesis of 
acetophenetidin?In the acylation reaction, the amine acts as a nucleophile, but we have 
the ammonium salt present in our solution. This ammonium salt can't act as a nucleophile (it 
doesn't have non-bonded electrons to use), so we need to add something to deprotonate the 
ammonium salt. This is the purpose of the sodium acetate - it is just a wea...
![CHM 2211L TOP Study Guide Exam Questions and CORRECT Answers](/docpics/5295022/664317b5b08cb_5295022_121_171.jpeg)
-
CHM 2211L TOP Study Guide Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 15 pagina's • 2024
-
- $11.49
- + meer info
Why did we use decolorizing carbon?To remove impurities from oxidation 
Which functional group was oxidized in the acetophenitidin?the amine 
Why do we need to take impurities out of reactions?because impurities will lower the 
yield 
why do we add acetic anhydryde?to make it more neutral again so that it can react 
What is the proper way to make an icebath?1/4 water and 3/4 ice to increase the surface 
area 
We added sodium methoxide (a strong base)...what would happen if we skipped this 
st...
![CHM 2211L UPDATED Exam Questions and CORRECT Answers](/docpics/5295036/664317f584c37_5295036_121_171.jpeg)
-
CHM 2211L UPDATED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 11 pagina's • 2024
-
- $11.49
- + meer info
What is a technique used to purify organic solids?recrystallization 
When an organic chemist conducts a recrystallization, he chooses a solvent that will 
what?completely dissolve both the desired compound and any other organic impurities 
when that solvent is at BP 
In addition to solubility at boiling temperature requirement of the solvent in recrystallization, 
the desired compound must also be what?insoluble in the chosen solvent at cold 
temperatures, and the organic impurities must rem...
![CHM 2211L Certification Exam Questions and CORRECT Answers](/docpics/5295032/664317f2bf55e_5295032_121_171.jpeg)
-
CHM 2211L Certification Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 11 pagina's • 2024
-
- $10.99
- + meer info
Which of the following is a monomer? 
a. benzene dimethanol 
b. cellulose 
c. glucose 
d. polyvinyl alcoholbenzene dimethanol cannot be a polymer 
answer: glucose 
The final polymers you synthesized followed which pattern? 
a. AB 
b. ABC 
c. ABA 
d. ABB 
e. AAABA
![Florida Atlantic University - CHM 2211CHM2211_Practice Final-1.](/docpics/607581acdabf4_1058885.jpg)
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Florida Atlantic University - CHM 2211CHM2211_Practice Final-1.
- Tentamen (uitwerkingen) • 23 pagina's • 2021
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1. Which of these compounds could not be formed by nucleophilic attack by an appropriate reagent on acetyl chloride? 2. The product of the following reaction would be: Page 13. Predict the maj or organic product of the reaction sequence, 4. The product of the following reaction is: Page 25. A compound with the molecular formula C5H10O2 gave the following 1H NMR spectrum: The IR spectrum showed a strong absorption band near 1740 cm-1. The most likely structure for the compound is: 6. Intramolecul...
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