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)

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter11: Reactions Of Alkyl Halides: Nucleophilic Substitutions And Eliminations

Section11.SE: Something Extra

Problem 34MP: Reaction of iodoethane with CN- yields a small amount of isonitrile, CH3CH2Nâ‰¡C, along with the...

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