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malo H3C H3C CH3 CH3 rrow-pushing Instru Br2, H3O+ H3C CH₂Br H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I₂, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism.

malo H3C H3C CH3 CH3 rrow-pushing Instru Br2, H3O+ H3C CH₂Br H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I₂, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism.

Chemistry
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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H3C Arrow-pushing Instructions NOC XT H3C H3C CH3 H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I2, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism. :OH H3C CH3 CH3 Submit Answer H Br₂, H3O+ H₂O H3C H3C :OH H3C CH3 FCH₂ CH₂Br Retry Entire Group 9 more group attempts remaining H30
Transcribed Image Text:H3C Arrow-pushing Instructions NOC XT H3C H3C CH3 H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I2, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism. :OH H3C CH3 CH3 Submit Answer H Br₂, H3O+ H₂O H3C H3C :OH H3C CH3 FCH₂ CH₂Br Retry Entire Group 9 more group attempts remaining H30
H3C Arrow-pushing Instructions NA H3C H3 C CH3 H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I2, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism. :OH H3C CH3 Submit Answer CH3 XT FCH₂ Br₂, H3O+ Br-Br H3C H3C. :OH H3C CH3 CH₂Br Retry Entire Group 9 more group attempts remaining Br Br
Transcribed Image Text:H3C Arrow-pushing Instructions NA H3C H3 C CH3 H3C CH3 Aldehydes and ketones can be halogenated at their a-position by reaction with Cl₂, Br₂, or I2, under acidic conditions. Using Br₂ under acidic conditions, an intermediate enol is formed which adds bromine at the a-position. The reaction stops after the addition of one bromine because the electron-withdrawing halogen decreases the basicity of the carbonyl oxygen, making the protonation less favorable. Draw curved arrows to show the movement of electrons in this step of the mechanism. :OH H3C CH3 Submit Answer CH3 XT FCH₂ Br₂, H3O+ Br-Br H3C H3C. :OH H3C CH3 CH₂Br Retry Entire Group 9 more group attempts remaining Br Br
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