d) For each of the following pairs of structures, circle the stronger Brønsted acid.„H`OCH3`NH2`OCH3CH;OH2CH;NH3HHạC-CEN-HH3C`OCH3`OCH3e) 1,3,5-heptatriene (1) reacts with HBr at very low temperature to give a cation intermediate, which leads toone major product. This product is obtained under both kinetic and thermodynamic conditions. Give thestructure of the product, and draw the three most important resonance contributors to the structure of the cationintermediate.HBrC,H1,BrCationIntermediateOz-I

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d) For each of the following pairs of structures, circle the stronger Brønsted acid. H´ `OCH3 `NH2 `OCH3 CH;OH2 CH;NH3 H H;C-CEÑ-H H;C `OCH3 OCH3 H e) 1,3,5-heptatriene (1) reacts with HBr at very low temperature to give a cation intermediate, which leads one major product. This product is obtained under both kinetic and thermodynamic conditions. Give the structure of the product, and draw the three most important resonance contributors to the structure of the cat intermediate. HBr C,H„Br Cation Intermediate

d) For each of the following pairs of structures, circle the stronger Brønsted acid. H´ `OCH3 `NH2 `OCH3 CH;OH2 CH;NH3 H H;C-CEÑ-H H;C `OCH3 OCH3 H e) 1,3,5-heptatriene (1) reacts with HBr at very low temperature to give a cation intermediate, which leads one major product. This product is obtained under both kinetic and thermodynamic conditions. Give the structure of the product, and draw the three most important resonance contributors to the structure of the cat intermediate. HBr C,H„Br Cation Intermediate

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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Question

d) For each of the following pairs of structures, circle the stronger Brønsted acid.
„H
`OCH3
`NH2
`OCH3
CH;OH2
CH;NH3
H
HạC-CEN-H
H3C
`OCH3
`OCH3
e) 1,3,5-heptatriene (1) reacts with HBr at very low temperature to give a cation intermediate, which leads to
one major product. This product is obtained under both kinetic and thermodynamic conditions. Give the
structure of the product, and draw the three most important resonance contributors to the structure of the cation
intermediate.
HBr
C,H1,Br
Cation
Intermediate
Oz-I

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