Ammonia, NH3, is also a weak base with Kp = 1.8x10-5. Which of the following is the best explanation for why dimethylamine is a stronger base than ammonia? The question as stated is incorrect, ammonia is a stronger base than dimethylamine because of the bigger lone pair of electrons on the N of ammonia compared to the N on dimethylamine. The hydrogens on ammonia are more electronegative than the methyl groups on dimethylamine, making ammonia a weaker base than dimethylamine. The two methyl groups on dimethylamine are more electronegative than the hydrogens on ammonia and make dimethylamine a stronger base. The two methyl groups on dimethylamine that replace hydrogens on ammonia are electron rich and donate electron density to the N making dimethylamine a stronger base.
Ammonia, NH3, is also a weak base with Kp = 1.8x10-5. Which of the following is the best explanation for why dimethylamine is a stronger base than ammonia? The question as stated is incorrect, ammonia is a stronger base than dimethylamine because of the bigger lone pair of electrons on the N of ammonia compared to the N on dimethylamine. The hydrogens on ammonia are more electronegative than the methyl groups on dimethylamine, making ammonia a weaker base than dimethylamine. The two methyl groups on dimethylamine are more electronegative than the hydrogens on ammonia and make dimethylamine a stronger base. The two methyl groups on dimethylamine that replace hydrogens on ammonia are electron rich and donate electron density to the N making dimethylamine a stronger base.
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter4: Acids And Bases
Section: Chapter Questions
Problem 4.46AP
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Question
Transcribed Image Text:Ammonia, NH3, is also a weak base with Kp = 1.8x105. Which of the following is the best explanation for why dimethylamine is a
stronger base than ammonia?
The question as stated is incorrect, ammonia is a stronger base than dimethylamine because of the bigger lone pair of
electrons on the N of ammonia compared to the N on dimethylamine.
The hydrogens on ammonia are more electronegative than the methyl groups on dimethylamine, making ammonia a weaker
base than dimethylamine.
The two methyl groups on dimethylamine are more electronegative than the hydrogens on ammonia and make
dimethylamine a stronger base.
The two methyl groups on dimethylamine that replace hydrogens on ammonia are electron rich and donate electron density
to the N making dimethylamine a stronger base.
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