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b) Ph NaOH heat, dehydration (CH3)CCHO Jes KOH heat, dehydration NaOH heat, dehydration

b) Ph NaOH heat, dehydration (CH3)CCHO Jes KOH heat, dehydration NaOH heat, dehydration

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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The image consists of three chemical reactions involving dehydration under heat, typically involving aldol condensation: a) The first reaction displays a compound reacting in the presence of sodium hydroxide (NaOH) with heat to undergo dehydration. The reactant is a ketone with methyl groups on both sides. The reaction highlights the formation of a product by removing a water molecule. b) The second reaction shows another example of dehydration with potassium hydroxide (KOH) and heat. The product is a complex aromatic ketone structure formed from the reactants, which are not shown. It seems to involve benzene rings with additional fused rings. c) In the third reaction, acetophenone (Ph group attached to a carbonyl) reacts with isobutyraldehyde \((\text{(CH}_3)_2\text{CCHO})\) in the presence of sodium hydroxide (NaOH) and heat, leading to dehydration. The product is not shown, but it involves the condensation of the provided reactants. These reactions are likely examples of aldol condensation, where aldehydes or ketones react to form larger β-hydroxy carbonyl compounds, which then dehydrate to form α,β-unsaturated carbonyl compounds.
Transcribed Image Text:The image consists of three chemical reactions involving dehydration under heat, typically involving aldol condensation: a) The first reaction displays a compound reacting in the presence of sodium hydroxide (NaOH) with heat to undergo dehydration. The reactant is a ketone with methyl groups on both sides. The reaction highlights the formation of a product by removing a water molecule. b) The second reaction shows another example of dehydration with potassium hydroxide (KOH) and heat. The product is a complex aromatic ketone structure formed from the reactants, which are not shown. It seems to involve benzene rings with additional fused rings. c) In the third reaction, acetophenone (Ph group attached to a carbonyl) reacts with isobutyraldehyde \((\text{(CH}_3)_2\text{CCHO})\) in the presence of sodium hydroxide (NaOH) and heat, leading to dehydration. The product is not shown, but it involves the condensation of the provided reactants. These reactions are likely examples of aldol condensation, where aldehydes or ketones react to form larger β-hydroxy carbonyl compounds, which then dehydrate to form α,β-unsaturated carbonyl compounds.
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