in the diels adler equation what is the equation for in situ preparation? why do we...
in the diels adler equation what is the equation for in situ preparation?
why do we add water in the later steps on the diels adler equation?
Homework Answers
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in the diels adler equation what is the equation for
in situ preparation?
why do we...
based on article by Adler Smithsonian “Kill All the Mosquitoes” 2016 Why is Anopheles gambiae considered...
based on article by Adler Smithsonian “Kill All the Mosquitoes” 2016 Why is Anopheles gambiae considered to be the most dangerous organism in the world? What are some of the ways that we are trying to control mosquitoes? Do you think we should wipe out an entire species of mosquito just because it carries diseases that are life-threatening to humans?
Match the peaks labeled A,B,C,D,E to the Diels-Adler product and what part of the products structure...
Match the peaks labeled A,B,C,D,E to the Diels-Adler
product and what part of the products structure creates each peak
on the NMR graph.
3.60 3.58 3.56 3.54 3.52 f1 (ppm) 3.50 3.48 3.46 C (dd) 7.34 7.45 7.40 7.35 7.30 7.25 i (ppm) 7,20 7.15 7.10 B (dd) A (dt) 7.39 7.20 D (t) 4.83 E (dd) 3.53 T T 1.98 1.93 4.00 2.09 2.01 .8 7.6 7.4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 f1 (ppm)...
Organic Chemistry Laboratory Work Preparation of Acetylsalicylic Acid (ASPIRIN) We used Sulfuric Acid for Quesiton 1....
Organic Chemistry Laboratory Work
Preparation of Acetylsalicylic Acid (ASPIRIN)
We used Sulfuric Acid for Quesiton 1.
1: What purpose does the acid in this experiment serve? 2: Why did you add water once the formation of aspirin is complete? 3: Why did you recrystallize the product from warm water?
Concerning the preparation of the methylmagnesium iodide, why do you need to add the remaining methyl...
Concerning the preparation of the methylmagnesium iodide, why do you need to add the remaining methyl iodide slowly once the reaction got started?
What is an adjusting entry? Why do we do adjustments? Give an example of an adjusting...
What is an adjusting entry? Why do we do adjustments? Give an example of an adjusting entry. Can you explain the steps in the closing process?
why do we add an when naming organic compounds. example is why do we write methanal...
why do we add an when naming organic compounds. example is why do we write methanal and not methal
(10 points) In the Diels-Alder experiment the 3-sulfolene was used and converted to 1,3-butadiene. Why didn't we just start with 1,3-butadiene and what diene conformation is best for this e...
(10 points) In the Diels-Alder experiment the 3-sulfolene was used and converted to 1,3-butadiene. Why didn't we just start with 1,3-butadiene and what diene conformation is best for this experiment? (Write the two step mechanism for this reaction)
(10 points) In the Diels-Alder experiment the 3-sulfolene was used and converted to 1,3-butadiene. Why didn't we just start with 1,3-butadiene and what diene conformation is best for this experiment? (Write the two step mechanism for this reaction)
1) Why do we apply an indirect method in iodometry? 2) What is the function of...
1) Why do we apply an indirect method in iodometry? 2) What is the function of starch in this experiment and why do not we add it at the beginning of the titration? 3) What is the name of primary standard used in the standardization of thiosulfate solution? 4) What is the reason of using iodine rarely as primary standard for the standardization of thiosulfate solution?
What is the stereochemistry requirement in Diels-Alder reactions? Why is it syn addition with respect to...
What is the stereochemistry requirement in Diels-Alder reactions? Why is it syn addition with respect to the dienes and the dienophiles, why is it endo selective? What are the synthetic applications of Diels-Alder reactions? What kinds of materials/ substances can be prepared employing these reactions?
Polyaniline Synthesis QA3: What is the purpose of the dialysis? Why do we need to change...
Polyaniline Synthesis
QA3: What is the purpose of the dialysis? Why do we need to change the water several times in passive diffusion dialysis (like we used in this practical)?
Match the peaks labeled A,B,C,D,E to the Diels-Adler
product and what part of the products structure creates each peak
on the NMR graph.
3.60 3.58 3.56 3.54 3.52 f1 (ppm) 3.50 3.48 3.46 C (dd) 7.34 7.45 7.40 7.35 7.30 7.25 i (ppm) 7,20 7.15 7.10 B (dd) A (dt) 7.39 7.20 D (t) 4.83 E (dd) 3.53 T T 1.98 1.93 4.00 2.09 2.01 .8 7.6 7.4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 f1 (ppm)...
Organic Chemistry Laboratory Work
Preparation of Acetylsalicylic Acid (ASPIRIN)
We used Sulfuric Acid for Quesiton 1.
1: What purpose does the acid in this experiment serve? 2: Why did you add water once the formation of aspirin is complete? 3: Why did you recrystallize the product from warm water?
(10 points) In the Diels-Alder experiment the 3-sulfolene was used and converted to 1,3-butadiene. Why didn't we just start with 1,3-butadiene and what diene conformation is best for this experiment? (Write the two step mechanism for this reaction)
(10 points) In the Diels-Alder experiment the 3-sulfolene was used and converted to 1,3-butadiene. Why didn't we just start with 1,3-butadiene and what diene conformation is best for this experiment? (Write the two step mechanism for this reaction)
1) Why do we apply an indirect method in iodometry? 2) What is the function of starch in this experiment and why do not we add it at the beginning of the titration? 3) What is the name of primary standard used in the standardization of thiosulfate solution? 4) What is the reason of using iodine rarely as primary standard for the standardization of thiosulfate solution?
Polyaniline Synthesis
QA3: What is the purpose of the dialysis? Why do we need to change the water several times in passive diffusion dialysis (like we used in this practical)?
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