Please answer questions 1-4. 1. is the reaction below illustrating a heterolytic or a homolytic bond...
Bond breaking reactions can be either heterolytic (both electrons move together) or homolytic (electrons move in an unpaired process). A. The curved arrow showing the heterolytic cleavage of the H-Br bond is shown below. Draw the resulting products. Show all expected nonbonding electrons and charges. Br. B. The curved arrows showing the homolytic cleavage of the H-Br bond are shown below. Draw the resulting products. Show all nonbonding electrons. The products should be uncharged. - >
DRAW OUT STRUCTURAL REACTION FOR: 1. STEP POLYMERIZATION 2. RADICAL POLYMERIZATION 3. CATIONIC POLYMERIZATION 4. ANIONIC POLYMERIZATION 5. HOMOLYTIC AND HETEROLYTIC CLEAVAGE
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Problem 1 (30 pts) a) Circle the radical that is most stable. b) Order the compounds in terms of increasing oxidation state (1 highest, 3- lowest) он c) The reaction below is an example of.... heat 2 b) substitution a) addition d) heterolytic cleavage c) homolytic cleavage d) Circle the compound with the most acidic protons. H H c=C CHз CH3CH2CH3 Нас-СЕС-н H
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8. The bond indicated in the molecule below can undergo homolytic and heterolytic cleavage. Draw the products for both pathways. Show correct mechanism arrows and label each pathway. (10 points) (ainoabstelle adoloso w olt. HM o bagnsballbunari arwoled slusalomat bosta 9. Arrange the leaving groups in the molecules below from best leaving group to worst leaving group. Assume CN is the nucleophile. Explain your ordering. (5 points)
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1. Give the detailed arrow-pushing mechanism for the free radical polymerization of methyl methacrylate. Show the initiation step and the addition of at least 2 monomers. You do not need to show a termination step, but do show the [ Jn notation of the final polymer. NEATNESS COUNTS heat poly(methyl methacrylate methyl methacrylate The initiator in this experiment, benzoyl peroxide, contains a weak 0-0 bond that undergoes homolytic cleavage at elevated temperatures. This leads to...
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(10 points) Write the letter ONLY of the term below that best matches the given definition: 10 a). Heterolytic bond breakage d). Electrophile g). Homolytic bond breakage j). Pro-R k). Substitution b). Si face e). Polar reaction c). Nucleophile f). Pro-S i). Elimination reaction j). Addition reaction m). Differential h). Radical reaction i). Re face 1). Dimer A process that involves symmetric bond breaking and bond making This occurs when both bonding electrons remain with one product fragment. A...
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5. For the following reaction step, indicate which pattern of arrow pushing it represents. Circle one. A. proton transfer C. nucleophilic attack B. loss of leaving group D. rearrangement 6. The following reaction has three mechanistic steps (down, across, and up), Draw all of the curved arrows necessary to complete the mechanism. (Hint: there should be 4 arrows total) HBO OH Br H-Br OH2 + Hö 7. Draw the most likely structure of the following cation...
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the chlorination How many monochlorinated products would be obtained from the chlorin Methane? Give the structure of all the products (6) ve the complete first two stes of the mechanism for the radical chlorination of propane to give any one of the two organic products. Use curved arrows. 8 points 12. The structures below show the step-wise bond making and bond breaking in this reaction. Draw curved arrows to show the electron flow that has occurred...
1) Answer the questions about the 2-hexanone. a) When bombarded with electrons in EIMS, what is the most likely (most stable) radical cation that is formed? b) From this radical cation, two alpha cleavage reactions are likely. Draw the mechanism of both and predict the fragments c) In addition to alpha cleavage, this molecule can also undergo a McLafferty rearrangement mechanism to predict the fragments . Drawa
For the reaction below: Draw the complete electron pushing arrow mechanism to show the formation of the final product shown. Explain every step of your mechanism. Explain why this is a product favored reaction. ii. H30* H20 OH A