CHE2613/101/0/2022The reaction of methylpropene with HBr, under radical conditions, gives two3.2intermediates. Propose a mechanism for the formation of the two products.(8)Propose a mechanism for the following reaction and use electronic factors to account for3.3the formation of a major product:CH2CH2BrN-Bromosuccinímide (NBS)ho, CCI4(2)3.4Draw the structure of an antioxidant, Vitamin E free radical and use resonance structuresto account for its stability.(9)Question 4[38]4.1Use electronic factors to explain why methyl carbanion is more stable than tertiary butylcarbanion.(9)4.2Rank the following intermediates in order of increasing stability. Account for your choice::CH2:CH2CH2-CH2:CH2NO2CH3OCH3(8)

Free radical takes place when homolysis cleavage takes place.

CHE2613/101/0/2022 3.2 The reaction of methylpropene with HBr, under radical conditions, gives bve intermediates. Propose a mechanism for the formation of the two products. (8) 3.3 Propose a mechanism for the following reaction and use electronic factors to account for the formation of a major product: CH2 CH2BR N-Bromosuccinimide (NBS) ho, CCI4 (7) 3.4 Draw the structure of an antioxidant, Vitamin E free radical and use resonance structures to account for its stability. (6) Question 4 [38] 4.1 Use electronic factors to explain why methyl carbanion is more stable than tertiary butyl carbanion. (6)

CHE2613/101/0/2022 3.2 The reaction of methylpropene with HBr, under radical conditions, gives bve intermediates. Propose a mechanism for the formation of the two products. (8) 3.3 Propose a mechanism for the following reaction and use electronic factors to account for the formation of a major product: CH2 CH2BR N-Bromosuccinimide (NBS) ho, CCI4 (7) 3.4 Draw the structure of an antioxidant, Vitamin E free radical and use resonance structures to account for its stability. (6) Question 4 [38] 4.1 Use electronic factors to explain why methyl carbanion is more stable than tertiary butyl carbanion. (6)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

1. 2. OH NaOH a = Proton transfer b = Lewis acid/base c = Radical chain substitution d = Radical chain addition H₂SO4 Na e = Electrophilic addition f = E1 Elimination g = E2 Elimination H₂O h = SN1 Nucleophilic substitution i = SN2 Nucleophilic substitution j = Electrophilic aromatic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - j for your answers.
9.25 Propose structures for hydrocarbons that give the following products on oxidative cleavage by KMnO, or 03: {a} COz + CH3CHz5COz4 (b) (e} HO,CiCHzlgCOzH (e) O RCH₂CH₂ RCH=CH₂ HCCH₂CH₂CH₂CH₂CC0₂H + CO₂ 9.27 How would you carry out the following conversions? More than one step may be needed in some instances. RCH CH3COzH+ (d) CH₂CH₂C CH, CHO + CHCCH, CH, COH + CO2 H RCHCH3 R-C CH RCH₂CH₂OH CO₂H R-C=C-CH3 O RCCH3
thanks.
1. 2. 3. 4. Н- H- H Answer -С H T -Ç- H Н Cracking Н T Н I yyy H Alkylation. H Н II н-с-с-с-с Н Н Reaction Type Catalytic reforming Hydrocracking Н Н H С H Н Н Н Match each numbered equation with its reaction type: Hydrocarbon Reactions С10 Н22(1) → С2Н6(9) + C7H16(1) +C(s) H H H c-c-с -H- I H H H H H H Н - У C -С- H + H — H— H Н Н Н H CH₂ + 4H Н Н Н H Н Н H-C-с Н -C-H + H— -H + Н н н ; — H Н H
Suggest a suitable series of reactions for carrying out the following synthetic transformation. You must state and identify each step you made and you must also state why the order of the steps was important. (6 pts) OCH3 4. OCH3 O2N. to OCH3 OCH3 Č(CH3)3
10.3 Complete the following reactions: Show the step-by-step process. Do not use shortcut methods. Make it as detailed as it can be. Encode (not hand-written)!
31. (8) Provide one reagent that will complete each transformation. (a) (b) (c) (d) OH & OH OH -CH₂OH CH₂OH ? HBr ? ? -CH₂CI OH (e) (f) ? (g) (h) -O+K H ? OH KMnO4 -OCH₂CH3 32. (12) Predict the 4 products resulting from reaction of the alkene with 1 equivalent of HBr (8 pts). (b) label the kinetic product (2 pts). (c) label the thermodynamic product (2 pts). OCH3 -OCH3 H OTS
How would you do number 6
3. 4. H CI 0- CI N: OH [0] cytochrome P450 olefin epoxidation [0] aromatic hydroxylation 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 II. 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 ==S
3. Propose a mechanism for the following Sn1 reaction. Include structure for the carbocation intermediate. (0.5pts) o CI NaBr EtOH ∞or Br + NaCl
6
Propyne can be used as starting material for synthesizing hexane. (2 H-CEC-C-H CH3 CH3 H3C Hc-C=C- Name the reaction or provide the reagent and catalyst. Use Br if a halogen is needed. Be specific and use locants. Answer format: halogenation/Br2, HCI (1) Blank 1/NANH2 (2) Elongation/Blank 2 (3) Blank 3/2H2, Pd Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer