Q: during an addition reaction of an alkene with bromine (bromination of stilbene) why does the product…
A: The solubility of a compound in a solvent follows like dissolve-like principle. According to the…
Q: If your goal is to generate the maximum yield of a tertiary halide, from 2-methylpropane, which of…
A: Photochemical Reaction: In photochemical reaction, free radical formation takes place with…
Q: Give the ozonolysis equation for the diene given to you.
A: Ozonolysis is a chemical reactions in which alkene double bond react with ozone and form carbonyl…
Q: What is the expected rate law and mechanism for this square planar substitution reaction?
A: Given reaction:
Q: Select the compound(s) that will give only a single monochlorination product in its free radical…
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Q: Can you explain the process of free radical bromination by using methylcyclohexane?
A: This reaction have done in three step. Step1: Chain Initiation Formation of two free radical Step2:…
Q: Which of the statements is most correct regarding the products expected from the halogenation…
A: Solution: We know alkenes can act as nucleophile due to electron reach Pi bond. They shows…
Q: Explain how and why rearrangements occur during Friedel-Crafts alkylation reactions forming more…
A: Concept - In Friedel-Crafts alkylation reaction is an electrophilic aromatic substitution reaction…
Q: Rank the indicated hydrogen atoms in order of increasing ease of abstraction in a radical…
A: The ease of abstraction of hydrogen in a radical halogenation reaction depends on the stability of…
Q: Please state which is the main product when 2-methylbuta-1,3-diene reacts with one equivalent of HBr…
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Q: Predict the structure of the product formed when HCl adds to 1-Bromo cyclohexene. Also explain how…
A: Halogens are electronegative atom , thus it should have act as electron withdrawing group ,in…
Q: The Wittig reaction can be used for the synthesis of conjugated dienes as the example below,…
A: The Wittig reaction is a usefull method for converting of aldehyde and ketone with a triphenyl…
Q: List the percentages of the products from a single radical bromination of pentane
A: Answer is explained below.
Q: For the Grignard reaction, which of the following is true for the first step starting with…
A: Grignard reagents is an organometallic compound. It is formed by the reaction of alkyl halide with…
Q: Explain why CgH;CH,CH,Br is not formed during the radical bromination of CgH;CH,CH3.
A: The given molecule is: Ethylbenzene It undergoes the reaction of free radical bromination. Which…
Q: Name the two diene products that could be obtained in the double-dehydration reaction of…
A: Dehydration reaction proceed by the removal of water. The removal of a water from a compound will…
Q: Why is enol formation in dimedone more favorable than in cyclohexanone?
A: The enol formation in dimedone more favourable than in cyclohexanone because of the active methylene…
Q: Give the systematic name for the diene and the dienophile that can undergo a Diela- Alder reaction…
A: Diels-alder reaction is a type of pericyclic reaction in which electron rich species and electron…
Q: For each compound, predict the major product of free-radical bromination. Remember that bromination…
A: The initiation step of free-radical bromination involves the generation of bromine radical. It is…
Q: 12) Show the formation of benzylic radical from toluene, NBS and light.
A: N-Bromosuccinimide (NBS) is used as oxidizing and brominating agent, which used as source for…
Q: Give the oxidative cleavage equation, with hot KMnO4, for the diene
A: KMnO4 is an oxidizing agent in neutral, acidic as well as basic medium. Dienes are the compounds…
Q: Please provide the name of the dienes and dienophiles, and their products and explain the reaction…
A: The names of diene and dienophile for the formation of the given compound iDials-Alder reaction. The…
Q: Radical chlorination of pentane is a poor way to prepare 1-chloro pentane but radical chlorination…
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Q: Briefly explain in words about radical involvement in Grignard reagent formation for synthesis of…
A: the starting reactants for the synthesis of triphenylmethanol are phenyl magnesium bromide and the…
Q: 1) Compare and contrast the Type 1 electrophilic addition to the unimolecular substitution and…
A: The SN1 reaction involves two separate steps: first the departure of the leaving group and then the…
Q: Based on the theoretical result, what is the order of reactivity of primary, secondary, and tertiary…
A: Alkyl halides react with sodium iodide in acetone to form alkyl iodide and sodium halide via…
Q: Explain why the rate of bromination of methane decreases if HBr is added to the reaction mixture.
A: First in the propagation step the formed methyl radical reacts with bromine and yields methyl…
Q: Epoxide formation Radical bromination Br H.
A:
Q: what alkyl halide will hexane form if it undergoes free radical subsitution?
A: Free Radical Substitution:- In this type of substitution, the saturated(single) bonds undergo…
Q: Kepone, aldrin, and chlordane are synthesized from hexachlorocyclopentadiene and other…
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Q: Why is the free radical reaction not the most preferred way to prepare alkyl halides
A: Halogenation of alkane:Alkanes can be halogenated in the presence of light or heat. The alkane does…
Q: What is the expected percentage of the major product in monochlorination reaction?
A:
Q: Ignoring isotope effects, after one E2 elimination with ethoxide, which bromine will predominate in…
A: As the E2 elimination reaction follows is anti periplanar mechanism i.e it takes place only when the…
Q: What is the most stable radical that could form from 2,2-dimethylbutane and the structure of the…
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Q: What hazard is associated with using palladium on carbon as a hydrogenation catalyst? and define…
A: ◆ Palladium on carbon (Pd/C) is highly flammable finely divided metal so it may catch fire while…
Q: what are some examples of compounds that would be good dienophiles in a Diels-Alder reaction?
A: It is an example for (4n+2) cyclo addition reaction. 2 C-C bonds and 1 C=C bond formation takesplace…
Q: Draw and name all monochloro products you might obtain from radical chlorination of 3-methylpentane.
A: Reaction of saturated hydrocarbons with chlorine in presence of light is an example of free radical…
Q: Explain why the rate of the reaction of 1-bromo-2-butene with ethanol is increased if silver nitrate…
A: The SN1 reaction occurs when alkyl halide dissociates to form a carbocation, which will then react…
Q: heat
A: In diels alder reaction, there is always a Dienophile, in which a double bonded carbon atom is…
Q: Write down the reaction and mechanism for the experiment.
A: Reaction and mechanism given below.
Q: Which diene from the list below would be expected to react most rapidly with the dienophile?
A: Diene of Diels-Alder reaction are electron rich and dienophile are electron deficient.
Q: Write a pair of chain propagation steps for the radical bromination of propane to give…
A: Bond dissociation energy is used to calculate the Enthalpy change of each step of radical…
Q: Briefly explain radical involvement in Grignard reagent formation for synthesis of triphenylmethanol
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Q: Write the free radical monosubstituition mechanism for the bromination of cyclohexane to give…
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List the percentages of the products from a single radical bromination of pentane.
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- The following table indicates the yield percent values of nitration products and toluene bromination. Explain the difference between the performance percentages of the products of bromination.The Friedel-Crafts Alkylation of p-xylene n-propyl bromide can result in an isopropyl as well as n-propyl substitution. A) Write the chemical equation involved in this reaction. B) Which will be the major and minor product? What do you expect will be the ratio of n-propyl to isopropyl substitution for p-xylene?a) Free radical bromination is more selective than free radical chlorination. Draw a reaction coordinate diagram for the specific step in the radical chain mechanism that illustrates the source of this selectivity, and explain your reasoning. b) Explain why the bond dissociate energy (BDE) of tert-butane is 95 kcal/mol while the BDE for propane is 99 kcal/mol.
- The relative rates of reaction of ethane, toluene, and ethylbenzene with bromine atoms have been measured. The most reactive hydrocarbon undergoes hydrogen atom abstraction a million times faster than does the least reactive one. Arrange these hydrocarbons order of decreasing reactivity.Predict the products of dehydrohalogenation and dehydration reactions, and use Zaitsev’s rule to predict the major and minor productshow many structurally isomeric products form in the free radical bromination of hexane?
- a. How many monochlorination products can be obtained from the radical chlorination of methylcyclohexane? Disregard stereoisomers.b. Which product would be obtained in greatest yield? Explain.c. How many monochlorination products would be obtained if all stereoisomers are included?Design and draw a catalytic cycle for the production of butanal from prop-1-ene. Recognize which step responsible for the selectivity of formation of the n- or iso-isomer.Compounds containing a phenol group may work as ANTIOXIDANTS to prevent free radical damage. This is accomplished when a free radical (or UV light) encounters a phenol group, turning the phenol group into a radical. However, contrary to typical radical behavior, the structure of the phenol radical can neutralize (or quench) the unpaired electron. Specifically, the phenol structure neutralizes (or quenches) the unpaired radical electron by doing the following: taking the electron and The correct name (or abbreviation) of an example compound (discussed in the lecture videos) containing a phenol group with antioxidant properties is:
- Draw structures for all mono-chlorinated products formed from the radical chlorination of pentane. Under each structure, indicate the class of hydrogen replaced (i.e., 1°, 2° or 3°) to form this compound and write its IUPAC name.A benzene ring alters the reactivity of a neighboring group in the so-called “benzylic” position, similarly to how a double bond alters the reactivity of groups in the “allylic” position. Benzylic cations, anions, and radicals are all more stable than simple alkyl intermediates. a) Use resonance structures to show the delocalization of the positive charge, negative charge, and unpaired electron of the benzyl cation, anion, and radical.Free‑radical halogenation can occur with chlorine and a source of direct UV radiation or sunlight. Chlorination of 2,4‑dimethylpentane via radical halogenation leads to the formation of all three of the products shown. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume that 1 equivalent of chlorine is used.