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...
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![CHE2613/101/0/2022
The reaction of methylpropene with HBr, under radical conditions, gives two
3.2
intermediates. Propose a mechanism for the formation of the two products.
(8)
Propose a mechanism for the following reaction and use electronic factors to account for
3.3
the formation of a major product:
CH2
CH2Br
N-Bromosuccinímide (NBS)
ho, CCI4
(2)
3.4
Draw the structure of an antioxidant, Vitamin E free radical and use resonance structures
to account for its stability.
(9)
Question 4
[38]
4.1
Use electronic factors to explain why methyl carbanion is more stable than tertiary butyl
carbanion.
(9)
4.2
Rank the following intermediates in order of increasing stability. Account for your choice:
:CH2
:CH2
CH2-CH2
:CH2
NO2
CH3
OCH3
(8)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f7c5f7e-89d1-4748-8cce-53cd32114987%2F32ac70ad-c1bb-4afe-84f3-86191735f244%2F2f0rf4l.jpeg&w=3840&q=75)
Transcribed Image Text:CHE2613/101/0/2022
The reaction of methylpropene with HBr, under radical conditions, gives two
3.2
intermediates. Propose a mechanism for the formation of the two products.
(8)
Propose a mechanism for the following reaction and use electronic factors to account for
3.3
the formation of a major product:
CH2
CH2Br
N-Bromosuccinímide (NBS)
ho, CCI4
(2)
3.4
Draw the structure of an antioxidant, Vitamin E free radical and use resonance structures
to account for its stability.
(9)
Question 4
[38]
4.1
Use electronic factors to explain why methyl carbanion is more stable than tertiary butyl
carbanion.
(9)
4.2
Rank the following intermediates in order of increasing stability. Account for your choice:
:CH2
:CH2
CH2-CH2
:CH2
NO2
CH3
OCH3
(8)
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