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0 Question 4 6 pts The rate determining step in the bromination of an alkene creates...
Question 3 6 pts What reagents would be required to make the following transformation? C12 (1...
Question 3 6 pts What reagents would be required to make the following transformation? C12 (1 equiv HCI C12/DCM C12/FeC13 Question 4 6 pts The rate determining step in the bromination of an alkene creates a bromonium ion. Which of the structures drawn is correct for the intermediate in the reaction shown? (+/-) : Br: We were unable to transcribe this imageQuestion 5 6 pts How many asymmetric centers (ie, stereocenters) are present in the compound shown below?
Answer the following questions about radical halogenation QUESTION 1 Performing allylic bromination of an asymmetric alkene...
Answer the following questions about radical halogenation
QUESTION 1 Performing allylic bromination of an asymmetric alkene produces two regiochemical outcomes due to resonance, and two conformations (R) and (S) for each chirality center produced. This is further complicated if you make the mistake of using Br2 as your source of bromine radicals, as the addition reaction producing alkyl dibromides competes with the allylic bromination. Br2, hv ??? Categorize each of the compounds shown below as an [A] allylic bromination product,...
D Question 19 6 pts The bromination of anisole at the para position occurs through a...
D Question 19 6 pts The bromination of anisole at the para position occurs through a resonance stabilized sigma complex. All of the structures drawn are correct, but which resonance contributor is the most stable (i.e. which one is the major contributor)? Br S . Н 1
Testbank Question 3 Your answer is incorrect. Try again. Which of these is the rate-determining step...
Testbank Question 3 Your answer is incorrect. Try again. Which of these is the rate-determining step in the bromination of benzene? Complexation of bromine with the iron(III) bromide catalyst Addition of Br+ to benzene to form the arenium ion Loss of a proton from the arenium ion to form bromobenzene None of these choices Formation of Br* ion. LINK TO TEXT
Name: 17. Consider the two step reaction A B-C (shown below). Which stepp is the rate...
Name: 17. Consider the two step reaction A B-C (shown below). Which stepp is the rate determining step and is the overall reaction exothermic or endothermic? (4 pts) Energy A Reaction Coordinate 18. The following is an energy vs. reaction coordinate graph for a radical bromination. (6 pts) a. Give the ratios of the tertiary to primary product b. Using the graph explain them how this occurs c. Using the graph what does the Hammond postulate tell us about the...
Help on all parts of question 3 would be greatly appreciated! 3. Treating alkene "A" below...
Help on all parts of question 3 would be greatly
appreciated!
3. Treating alkene "A" below with HBr can lead to a number of products. "A" + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters in compound "A" as R or S and label the alkene as E or Z. 3.B. Draw the curved arrow mechanism leading to the most stabilized carbo- cation intermediate. (don't do any rearrangements, just acid/base with the alkene) H-Br most...
8 This synthesis requires more than 1 step-propose a route giving all reagents (include solvents) required...
8 This synthesis requires more than 1 step-propose a route giving all reagents (include solvents) required and drawing the structure of all stable, neutral intermediate compounds. [6 pts 9. Nether of the reactions drawn below will give the product shown. Draw the product that will form instead giving a mechanism as an explanation. [10 pts) HBr ether Br 11. Are these statements True or False? (2 pts each = 4 pts] a) Fluoride ion is a more reactive nucleophile in...
d,e, 3,4 plz d) The suggested transition state geometry for the rate-determining step of free-radical chlorination...
d,e, 3,4 plz
d) The suggested transition state geometry for the rate-determining step of free-radical chlorination (compared to that for bromination process) of alkanes is (circle your choice) A Late / An Early occurring one. It is more (circle your choice) Reactant-Like / Product Like. e) Given the rigid structure shown below, 3. How many peaks do you predict to observe on 1H-NMR spectrum of this compound? 4. How many peaks do you predict to observe on 13C-NMR spectrum of...
Look up and draw the mechanism for the addition of Br2 to double bonds. Reference the...
Look up and draw the mechanism for the addition of Br2 to
double bonds. Reference the source from which you acquired the
mechanism.
Give the IUPAC name of the major product in the above-mentioned
reaction.
Draw the major product of obtained in the addition of Br2 to
stilbene.
Is this isomer chiral? What would be the optical rotation if
this sample was placed in a polarimeter?
Would a student obtain the same product if you started with
cis-stilbene instead of...
d,e,3,4 please d) The suggested transition state geometry for the rate-determining step of free-radical chlorination (compared...
d,e,3,4 please
d) The suggested transition state geometry for the rate-determining step of free-radical chlorination (compared to that for bromination process of alkanes is (circle your choice) A Late/An Early occurring one. It is more (circle your choice) Reactant-Like / Product Like. e) Given the rigid structure shown below, 3. How many peaks do you predict to observe on "H-NMR spectrum of this compound? 4. How many peaks do you predict to observe on 13C-NMR spectrum of this compound?
Question 3 6 pts What reagents would be required to make the following transformation? C12 (1 equiv HCI C12/DCM C12/FeC13 Question 4 6 pts The rate determining step in the bromination of an alkene creates a bromonium ion. Which of the structures drawn is correct for the intermediate in the reaction shown? (+/-) : Br: We were unable to transcribe this imageQuestion 5 6 pts How many asymmetric centers (ie, stereocenters) are present in the compound shown below?
Answer the following questions about radical halogenation
QUESTION 1 Performing allylic bromination of an asymmetric alkene produces two regiochemical outcomes due to resonance, and two conformations (R) and (S) for each chirality center produced. This is further complicated if you make the mistake of using Br2 as your source of bromine radicals, as the addition reaction producing alkyl dibromides competes with the allylic bromination. Br2, hv ??? Categorize each of the compounds shown below as an [A] allylic bromination product,...
D Question 19 6 pts The bromination of anisole at the para position occurs through a resonance stabilized sigma complex. All of the structures drawn are correct, but which resonance contributor is the most stable (i.e. which one is the major contributor)? Br S . Н 1
Testbank Question 3 Your answer is incorrect. Try again. Which of these is the rate-determining step in the bromination of benzene? Complexation of bromine with the iron(III) bromide catalyst Addition of Br+ to benzene to form the arenium ion Loss of a proton from the arenium ion to form bromobenzene None of these choices Formation of Br* ion. LINK TO TEXT
Name: 17. Consider the two step reaction A B-C (shown below). Which stepp is the rate determining step and is the overall reaction exothermic or endothermic? (4 pts) Energy A Reaction Coordinate 18. The following is an energy vs. reaction coordinate graph for a radical bromination. (6 pts) a. Give the ratios of the tertiary to primary product b. Using the graph explain them how this occurs c. Using the graph what does the Hammond postulate tell us about the...
Help on all parts of question 3 would be greatly
appreciated!
3. Treating alkene "A" below with HBr can lead to a number of products. "A" + H-Br A bunch of products. For real, hella products. 3.A. Label the stereocenters in compound "A" as R or S and label the alkene as E or Z. 3.B. Draw the curved arrow mechanism leading to the most stabilized carbo- cation intermediate. (don't do any rearrangements, just acid/base with the alkene) H-Br most...
8 This synthesis requires more than 1 step-propose a route giving all reagents (include solvents) required and drawing the structure of all stable, neutral intermediate compounds. [6 pts 9. Nether of the reactions drawn below will give the product shown. Draw the product that will form instead giving a mechanism as an explanation. [10 pts) HBr ether Br 11. Are these statements True or False? (2 pts each = 4 pts] a) Fluoride ion is a more reactive nucleophile in...
d,e, 3,4 plz
d) The suggested transition state geometry for the rate-determining step of free-radical chlorination (compared to that for bromination process) of alkanes is (circle your choice) A Late / An Early occurring one. It is more (circle your choice) Reactant-Like / Product Like. e) Given the rigid structure shown below, 3. How many peaks do you predict to observe on 1H-NMR spectrum of this compound? 4. How many peaks do you predict to observe on 13C-NMR spectrum of...
Look up and draw the mechanism for the addition of Br2 to
double bonds. Reference the source from which you acquired the
mechanism.
Give the IUPAC name of the major product in the above-mentioned
reaction.
Draw the major product of obtained in the addition of Br2 to
stilbene.
Is this isomer chiral? What would be the optical rotation if
this sample was placed in a polarimeter?
Would a student obtain the same product if you started with
cis-stilbene instead of...
d,e,3,4 please
d) The suggested transition state geometry for the rate-determining step of free-radical chlorination (compared to that for bromination process of alkanes is (circle your choice) A Late/An Early occurring one. It is more (circle your choice) Reactant-Like / Product Like. e) Given the rigid structure shown below, 3. How many peaks do you predict to observe on "H-NMR spectrum of this compound? 4. How many peaks do you predict to observe on 13C-NMR spectrum of this compound?
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