127- Anwer the following question after attending your organic chemistry lab : Explain why/how a brown...
127- Anwer the following question after attending your organic chemistry lab :
Explain why/how a brown solution of Br2 in methylene chloride would react or not react with the starting reactant methyl oleate and with the product methyl stearate.
Homework Answers
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127- Anwer the following question after attending your organic
chemistry lab :
Explain why/how a brown...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic Chemistry Lab) Questions 1. Explain the...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic
Chemistry Lab)
Questions
1.
Explain the reaction mechanism and why each reagent was used.
2. Explain the need for 2 different drying agents
3. Use
IR stretches and melting point determination to explain your
results.
4.
Report sources of error.
Experiment Procedure
Assemble the reaction apparatus as shown in Figure 14.2a,
consisting of a 3.0 mL conical vial charged with 4-t-
butylcyclohexanone (amount calculated in pre-lab) and methanol (100
μL). Attach the air condenser...
In reference to: (Polymerization; Nylon-6,6 Organic Chemistry Lab) 1. Why do you add hydroxide to your...
In reference to: (Polymerization; Nylon-6,6 Organic Chemistry Lab) 1. Why do you add hydroxide to your hexanediamine solution? What would occur if you did not add it?
After you done organic chemistry lab, the product was analyzed by GC. Your product produced a...
After you done organic chemistry lab, the product was analyzed by GC. Your product produced a chromatogram containing two peaks with retention times of 3.4 min and 5.6 min, respectively. Your instructor said that your product contains two product compounds, A and B. (total 50 pts) GC signal analysis, C (concentration) = RF (Yesponse factor)XA (area) From the test above, you find that peak areas of compounds A and B are 2500 and 3500. Assuming that the response factor of...
Organic Chemistry Lab Structure & Solubility: Explain how you could distinguish between the following pairs of...
Organic Chemistry Lab Structure & Solubility: Explain how
you could distinguish between the following pairs of compounds?
Which compounds would be water soluble?
STRUCTURE AND SOLUBILITY Name: Lab Section: I. Esplin how you could distinguish between the following pairs of compounds. Which compounds would be water soluble? 1. Butane and 2-chlorobutane 2. Butane and 1-butanol 3. 1-butanol and 2-butanol 4. 1-butanol and butanoic acid
The following questions are from an experiment titled Friedel-Crafts Alkylation for Organic Chemistry II Lab. There...
The following questions are from an experiment titled
Friedel-Crafts Alkylation for Organic Chemistry II Lab. There are
pictures attached of the lab manual.
2) Is this method a good route for the preparation of
p-sec-butyltoulene? Give reasons for your answer.
3) Why do you use a large excess of toulene. What are its
functions?
4) What is the purpose for adding the hydrochloric acid to the
water in the separatory funnel in step 5? Hint: If no acid is
added,...
organic chemistry question kinetic study lab 1) justify why benzyl chloride (PhCH2Cl) reacts faster than 2-Chlorobutane...
organic chemistry question kinetic study lab 1) justify why benzyl chloride (PhCH2Cl) reacts faster than 2-Chlorobutane under any of the reaction conditions studied. (Sn2 and Sn1) 2) the compounds 2-bromobutane and 2-clorobutane are secondary alkyl halides. what can be concluded with reactions Sn1 (AgNO3 )and Sn2 (NaI)
Organic chemistry post-lab question: "Why is important to add the alkyl halide dropwise in your reaction?...
Organic chemistry post-lab question: "Why is important
to add the alkyl halide dropwise in your reaction? (Hint: your
reaction is not heated, but you still need a water-cooled
condenser!)" Please answer in detail!
Here is a copy of the experiment, thank you!
The Grignard reaction is an important synthetic process by which a carbon-carbon bond is formed. Magnesium metal is first reacted with an organic halide. The resultant organo-magnesium halide (Grignard reagent) is then combined with a carbonyl compound, ultimately...
Organic Chemistry Nitration lab. 1. Aromatic nitration requires the use of the HNO3 / H2SO4 mixture....
Organic Chemistry Nitration lab. 1. Aromatic nitration requires the use of the HNO3 / H2SO4 mixture. Why not use HNO3 alone? 2. Why should the cold nitration reaction be maintained at all times? 3. What difference should be observed between the 1 H NMR spectrum of the nitrated reagent and the product obtained? Explain 4. If the yield percentages for acetanilide nitration products were: 35% o-nitroacetanilide and 65% p-nitroacetanilide, explain how you would perform the procedure to separate and recover...
chem lab Name Chemistry 1211L Limiting Reactant Recitation Worksheet Complete the following questions in the space...
chem lab
Name Chemistry 1211L Limiting Reactant Recitation Worksheet Complete the following questions in the space provided. Once you have an answer for each question, discuss it with your lab partner. What is the formula of the ionic compound iron (II) chloride (5 points)? 1. What is the formula of the molecular compound hydrogen sulfide (5 points)? 2. When iron (I) chloride and hydrogen sulfide react in the gas phase, they produce hydrogen chloride and iron (II) sulfide. Write a...
Fundamentals of Organic Chemistry Lab Can you use melting point as a method of analysis for your ester? Explain wh...
Fundamentals of Organic Chemistry Lab Can you use melting point as a method of analysis for your ester? Explain why. 3. 4. What is the proper way to smell the esters you synthesize? 5. If you heat the reaction mixture after adding water, what will happen? Combinatorial Chemistry: Ester Synthesis In today's lab, you will perform small scale Fischer esterifications to make a variety of esters. H2SO4 +R'OH Он OR R R Combinatorial chemistry is a term used to describe...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic
Chemistry Lab)
Questions
1.
Explain the reaction mechanism and why each reagent was used.
2. Explain the need for 2 different drying agents
3. Use
IR stretches and melting point determination to explain your
results.
4.
Report sources of error.
Experiment Procedure
Assemble the reaction apparatus as shown in Figure 14.2a,
consisting of a 3.0 mL conical vial charged with 4-t-
butylcyclohexanone (amount calculated in pre-lab) and methanol (100
μL). Attach the air condenser...
After you done organic chemistry lab, the product was analyzed by GC. Your product produced a chromatogram containing two peaks with retention times of 3.4 min and 5.6 min, respectively. Your instructor said that your product contains two product compounds, A and B. (total 50 pts) GC signal analysis, C (concentration) = RF (Yesponse factor)XA (area) From the test above, you find that peak areas of compounds A and B are 2500 and 3500. Assuming that the response factor of...
Organic Chemistry Lab Structure & Solubility: Explain how
you could distinguish between the following pairs of compounds?
Which compounds would be water soluble?
STRUCTURE AND SOLUBILITY Name: Lab Section: I. Esplin how you could distinguish between the following pairs of compounds. Which compounds would be water soluble? 1. Butane and 2-chlorobutane 2. Butane and 1-butanol 3. 1-butanol and 2-butanol 4. 1-butanol and butanoic acid
The following questions are from an experiment titled
Friedel-Crafts Alkylation for Organic Chemistry II Lab. There are
pictures attached of the lab manual.
2) Is this method a good route for the preparation of
p-sec-butyltoulene? Give reasons for your answer.
3) Why do you use a large excess of toulene. What are its
functions?
4) What is the purpose for adding the hydrochloric acid to the
water in the separatory funnel in step 5? Hint: If no acid is
added,...
Organic chemistry post-lab question: "Why is important
to add the alkyl halide dropwise in your reaction? (Hint: your
reaction is not heated, but you still need a water-cooled
condenser!)" Please answer in detail!
Here is a copy of the experiment, thank you!
The Grignard reaction is an important synthetic process by which a carbon-carbon bond is formed. Magnesium metal is first reacted with an organic halide. The resultant organo-magnesium halide (Grignard reagent) is then combined with a carbonyl compound, ultimately...
Organic Chemistry Nitration lab. 1. Aromatic nitration requires the use of the HNO3 / H2SO4 mixture. Why not use HNO3 alone? 2. Why should the cold nitration reaction be maintained at all times? 3. What difference should be observed between the 1 H NMR spectrum of the nitrated reagent and the product obtained? Explain 4. If the yield percentages for acetanilide nitration products were: 35% o-nitroacetanilide and 65% p-nitroacetanilide, explain how you would perform the procedure to separate and recover...
chem lab
Name Chemistry 1211L Limiting Reactant Recitation Worksheet Complete the following questions in the space provided. Once you have an answer for each question, discuss it with your lab partner. What is the formula of the ionic compound iron (II) chloride (5 points)? 1. What is the formula of the molecular compound hydrogen sulfide (5 points)? 2. When iron (I) chloride and hydrogen sulfide react in the gas phase, they produce hydrogen chloride and iron (II) sulfide. Write a...
Fundamentals of Organic Chemistry Lab Can you use melting point as a method of analysis for your ester? Explain why. 3. 4. What is the proper way to smell the esters you synthesize? 5. If you heat the reaction mixture after adding water, what will happen? Combinatorial Chemistry: Ester Synthesis In today's lab, you will perform small scale Fischer esterifications to make a variety of esters. H2SO4 +R'OH Он OR R R Combinatorial chemistry is a term used to describe...
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