Homework Answers
Question 1.
1-heptene > cis-2-heptene > trans-2-heptene
Question 2.
a. Trans-2-heptene
b. Yes
Explanation: Higher substituted alkenes are formed according to Zaitsev's/Saytzeff''s rule.
Question 3.
Trans-2-heptene > cis-2-heptene > 1-heptene
Yes, the order matches their relative stabilities according to Zaitsev's rule.
Add Answer to:
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of...
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E2 reaction of 2-bromoheptane
Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab Complete the first two columns of the Results table below, drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column. Results Perform calculations for the relative percentages of the three alkenes on the copy of your GC graph, clearly and neatly showing your work. Area is from the GC trace. Percentages should...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
3. If sodium methoxide in methanol was used in place of potassium t butanol, your GC...
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The GC spectrum below is for the products of the dehydration of 2-butanol, Complete the table wit...
The GC spectrum below is for the products of the dehydration of 2-butanol, Complete the table with the name of each product. (Hint: see the boiling point info in the manual handout). Calculate the % of each product formed in this reaction. 5) % yield Area Product Name Peak I30 Peak 2 180 Peak 3 100 The dehydration of 2-butanol in the experiment produced more than one alkene product. When multiple alkenes were formed in this reaction, they formed in...
Need help making a separation scheme for the synthesis of methylbutene based on the experiment procedure...
Need help making a separation scheme for the synthesis of
methylbutene based on the experiment procedure
Synthesis of Methylbutenes catalyzed Dehydration of 2 Meth H.SO buano detin vee distinct steps in most organic preparat the reaction itself solation of the final product final product purification ances, as in the dehydration of an alcohol, it is necessary to be the first two stesso oduct can be removed from the reaction mixture is formed. This was to drive the brium to toward...
Experiment Write Up Proposal You will write up a synthesis procedure for one reaction that could...
Experiment Write Up Proposal You will write up a synthesis procedure for one reaction that could be potentially run in a face- to-face Chem 2321 lab session. Your proposal will include an introduction and procedure. The procedure will include step-by-step instructions for running the reaction (including reaction monitoring), work-up. (product isolation and purification), and analysis (characterization). You will need to include sample calculations for percent yield and provide sample spectra analysis. You must upload your proposal as a single document...
Separating a Mixture, Recrystallization, pre-lab assignment could you also explain why you chose that substance for...
Separating a Mixture, Recrystallization, pre-lab
assignment
could you also explain why you chose that substance for the empty
spaces and question marks
EXPERIMENT 4 Pre-Lab Assignment Separating a Mixture, Recrystalliration Name Date 1. Complete the following flowchart which shows how to separate a mixture of sand, sodium chloride and acetanilide. Notice that after a separation process (a down arrow) the filtered solids are shown on the left and the filtrate (the liquid) is shown on the right. The terminal step...
E2 reaction of 2-bromoheptane
Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab Complete the first two columns of the Results table below, drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column. Results Perform calculations for the relative percentages of the three alkenes on the copy of your GC graph, clearly and neatly showing your work. Area is from the GC trace. Percentages should...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
3. If sodium methoxide in methanol was used in place of potassium t butanol, your GC analysis would look much more like the 2-butanol/sulfuric acid reaction products. In addition, a new, non-alkene product would be present in the GC analysis from a competing, non-elimination mechanism. Explain why the alkene distribution would change, what the new product would be, and why this new product would form. 4. If 2-bromobutane was reacted with trimethylamine to produce sec-butyl trimethyl- ammonium bromide (see below),...
The GC spectrum below is for the products of the dehydration of 2-butanol, Complete the table with the name of each product. (Hint: see the boiling point info in the manual handout). Calculate the % of each product formed in this reaction. 5) % yield Area Product Name Peak I30 Peak 2 180 Peak 3 100 The dehydration of 2-butanol in the experiment produced more than one alkene product. When multiple alkenes were formed in this reaction, they formed in...
Need help making a separation scheme for the synthesis of
methylbutene based on the experiment procedure
Synthesis of Methylbutenes catalyzed Dehydration of 2 Meth H.SO buano detin vee distinct steps in most organic preparat the reaction itself solation of the final product final product purification ances, as in the dehydration of an alcohol, it is necessary to be the first two stesso oduct can be removed from the reaction mixture is formed. This was to drive the brium to toward...
Experiment Write Up Proposal You will write up a synthesis procedure for one reaction that could be potentially run in a face- to-face Chem 2321 lab session. Your proposal will include an introduction and procedure. The procedure will include step-by-step instructions for running the reaction (including reaction monitoring), work-up. (product isolation and purification), and analysis (characterization). You will need to include sample calculations for percent yield and provide sample spectra analysis. You must upload your proposal as a single document...
Separating a Mixture, Recrystallization, pre-lab
assignment
could you also explain why you chose that substance for the empty
spaces and question marks
EXPERIMENT 4 Pre-Lab Assignment Separating a Mixture, Recrystalliration Name Date 1. Complete the following flowchart which shows how to separate a mixture of sand, sodium chloride and acetanilide. Notice that after a separation process (a down arrow) the filtered solids are shown on the left and the filtrate (the liquid) is shown on the right. The terminal step...
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