Homework Answers
Solution:
Cyclohexene has localistion of pi electrons which is not movable, while benzene has delocalised pi electrons which are move from one bond to other bond in the ring [it is called resonance phenomenone]. The addition of Br2 accross C=C double bons makes the resultant structure non-aromatic which has not stability.
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Testhank Question 002 Cyclohexene undergoes an addition reaction with bromine, but does not. Instead, benzene undergoes...
Cyclohexene undergoes an addition reaction with bromine, but benzene does not. Instead, benzene undergoes a substitution...
Cyclohexene undergoes an addition reaction with bromine, but benzene does not. Instead, benzene undergoes a substitution reaction with bromine. Explain why. has delocalized Tt electrons. Addition of bromine to would result in the loss of aromatic stabilization, as the has localized Tt electrons, whereas product formed would be nonaromatic.
Add the following questions to the final report: a) Why does the carbomethoxy group directs the...
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction....
9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction. (a) Write the equation for the bromination of ethene, and name the product. (b) Explain why this is called an addition reaction. (c) Describe what you would see if you bubbled ethene through a solution of bromine in an organic solvent such as hexane. 10. If you use a permanganate test to distinguish between cyclohexane and cyclohexene, in which would the purple color of...
need help with this part benzene carbocation intermediate DOES NOT Critical Thinking Questions 1. For Rxn...
need help with this part
benzene carbocation intermediate DOES NOT Critical Thinking Questions 1. For Rxn 1 (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1: Reaction Diagrams for Electrophilic Addition of HCI V.E. V.E. (Potential Energy) H-C1 H-C1 carbocation intermediate Reaction Progress (Rxn 2) Reaction Progress (Rxn 1) 2. Rxn 1 is slightly down-hill in terms of energy. Rxn 2 is very up-hill in terms...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Please provide answers to the questions that are circled. Thank you! Least reactive Most reactive 12.53)...
Please provide answers to the questions that are circled.
Thank you!
Least reactive Most reactive 12.53) A standard method for preparing sodium cyclopentadienide (C H Na) is by the reaction of cyclopentadiene with a solution of NaNH, in liquid ammonia. Write a net ionic equation for this reaction, identify the acid and the base, and use curved arrows to track the flow of electrons. 12.54 The same anion is formed by loss of the most acidic proton from 1-methyl-1,3- cyclopentadiene...
1. In both the sodium iodide test and the silver nitrate test, why does 2-bromobutane react faster...
1. In both the sodium iodide
test and the silver nitrate test, why does 2-bromobutane react
faster than 2-chlorobutane?
Bromine is a better leaving group since it is a weaker base than
chlorine is.
2. a. Why does benzyl chloride react under both
SN1 and SN2 conditions?
Benzyl
chloride is a primary alkyl halide, hence reactive under SN2
conditions.
The
primary carbocation formed due to the departure of Cl- is
stabilized by the pi electrons in the benzene ring.
b. Why is...
use the notes provided to help answer the question above. will rate well The second step...
use the notes provided to help answer the question
above. will rate well
The second step of the synthesis transformation of the chlorosulfonyl functional group into a sulfonamide) is an example of a a. Nucleophilic displacement (substitution) b Elimination C. Electrophilic aromatic substitution d. Acid hydrolysis Esterification e. THE SULFONIC ACID GROUP AND ITS DERIVATIVES Sulfonic acids are organic analogs of sulfuric acid, a very strong acid. They are highly corrosive, react vigorously with water, and can cause skin bums....
Cyclohexene undergoes an addition reaction with bromine, but benzene does not. Instead, benzene undergoes a substitution reaction with bromine. Explain why. has delocalized Tt electrons. Addition of bromine to would result in the loss of aromatic stabilization, as the has localized Tt electrons, whereas product formed would be nonaromatic.
Add the following questions to the final report: a) Why does the carbomethoxy group directs the reaction to positions that are meta to it? b) Why the formation of dinitrobenzaote is substantially disfavored ? c) Would you expect small amounts of the ortho and para substituted product? How would you remove them if they are formed ? d) Why does water have a retarding effect on the nitration ? e) Explain why Benzene has lower reactivity in electrophilic addition reactions...
9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction. (a) Write the equation for the bromination of ethene, and name the product. (b) Explain why this is called an addition reaction. (c) Describe what you would see if you bubbled ethene through a solution of bromine in an organic solvent such as hexane. 10. If you use a permanganate test to distinguish between cyclohexane and cyclohexene, in which would the purple color of...
need help with this part
benzene carbocation intermediate DOES NOT Critical Thinking Questions 1. For Rxn 1 (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1: Reaction Diagrams for Electrophilic Addition of HCI V.E. V.E. (Potential Energy) H-C1 H-C1 carbocation intermediate Reaction Progress (Rxn 2) Reaction Progress (Rxn 1) 2. Rxn 1 is slightly down-hill in terms of energy. Rxn 2 is very up-hill in terms...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Please provide answers to the questions that are circled.
Thank you!
Least reactive Most reactive 12.53) A standard method for preparing sodium cyclopentadienide (C H Na) is by the reaction of cyclopentadiene with a solution of NaNH, in liquid ammonia. Write a net ionic equation for this reaction, identify the acid and the base, and use curved arrows to track the flow of electrons. 12.54 The same anion is formed by loss of the most acidic proton from 1-methyl-1,3- cyclopentadiene...
1. In both the sodium iodide
test and the silver nitrate test, why does 2-bromobutane react
faster than 2-chlorobutane?
Bromine is a better leaving group since it is a weaker base than
chlorine is.
2. a. Why does benzyl chloride react under both
SN1 and SN2 conditions?
Benzyl
chloride is a primary alkyl halide, hence reactive under SN2
conditions.
The
primary carbocation formed due to the departure of Cl- is
stabilized by the pi electrons in the benzene ring.
b. Why is...
use the notes provided to help answer the question
above. will rate well
The second step of the synthesis transformation of the chlorosulfonyl functional group into a sulfonamide) is an example of a a. Nucleophilic displacement (substitution) b Elimination C. Electrophilic aromatic substitution d. Acid hydrolysis Esterification e. THE SULFONIC ACID GROUP AND ITS DERIVATIVES Sulfonic acids are organic analogs of sulfuric acid, a very strong acid. They are highly corrosive, react vigorously with water, and can cause skin bums....
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