b) c) НО ОН HBr 0ºC -H2O H₂SO4 80 °С -H2O Br.

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

Draw mechanism for the following reactions. Hint: rearrangement! There is more than 
one

b)
XE
0 °C
OH
c)
НО
HBr
-H2O
H₂SO4
80 °С
-H20
Br
Transcribed Image Text:b) XE 0 °C OH c) НО HBr -H2O H₂SO4 80 °С -H20 Br
a)
ОН
HBr
ܠ
-H20
ܟ
Br.
Transcribed Image Text:a) ОН HBr ܠ -H20 ܟ Br.
Expert Solution
Step 1

Alcohol gets prtonated to produce oxoniumion whcih eliminates water molecule to produce carbocation. Carbocation has the tendency to rearrange into more stable carbocation via 1,2-hydride or alkyl shift to produce more stable carbocation. The rearranged carbocation after attack by the nucleophile or elimination of beta proton gives substitution and elimination products respectively 

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