Domanda del libro di testo
The intermediates for the oxidation of isopropanol to acetone are shown. Calculate oxidation numbers for the indicated atoms, then use them to determine in which step oxidation occurs.
(e)
950
views
Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
TOC.tableOfContents
- Ch. 2 - General Chemistry Translated: Finding the Electrons114
- Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis109
- Ch. 4 - Acids and Bases/Electron Flow144
- Ch. 5 - Chemical Reaction Analysis: Thermodynamics and Kinetics118
- Ch. 6 - Stereoisomerism: Arrangement of Atoms in Space112
- Ch. 7 - Principles of Green (Organic) Chemistry3
- Ch. 8 - Alkenes 1: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes 2: Oxidation and Reduction150
- Ch. 10 - Alkynes: Electrophilic Addition and Redox Reactions101
- Ch. 11 - Properties and Synthesis of Alkyl Halides: Radical Reactions108
- Ch. 12 - Substitution and Elimination: Reactions of Haloalkanes172
- Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination239
- Ch. 14 - Structural Identification 1: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification 2: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution 1: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution 2: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems 1: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems 2: Pericyclic Reactions54
- Ch. 23 - Benzene 1: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene 2: Reactions Influenced by the Aromatic Ring62
- Ch. 25 - Amines: Structure, Reactions, and Synthesis27
- Ch. 26 - Amino Acids, Proteins, and Peptide Synthesis9
- Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids54
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testo
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 55
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblema 55Capitolo 12, Problema 55
Though ketones, like aldehydes, are in equilibrium with a hydrated form, they cannot be further oxidized. Why?
Guida verificata passo dopo passo1
Understand the structure of ketones: Ketones have a carbonyl group (C=O) bonded to two carbon atoms. This makes them less reactive towards oxidation compared to aldehydes, which have a carbonyl group bonded to at least one hydrogen atom.
Examine the hydration equilibrium: The image shows a ketone in equilibrium with its hydrated form, a geminal diol. This equilibrium involves the addition of water across the carbonyl group, forming two hydroxyl groups on the same carbon.
Consider oxidation of ketones: For oxidation to occur, there must be a hydrogen atom on the carbonyl carbon that can be removed. In ketones, both groups attached to the carbonyl carbon are carbon groups, lacking the necessary hydrogen for further oxidation.
Compare with aldehydes: Aldehydes can be oxidized to carboxylic acids because they have a hydrogen atom on the carbonyl carbon, which can be replaced by an oxygen atom during oxidation.
Conclude why ketones cannot be further oxidized: Since ketones lack the hydrogen atom on the carbonyl carbon, they cannot undergo further oxidation to form carboxylic acids or other oxidized products.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
3mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Ketones and Aldehydes
Ketones and aldehydes are both carbonyl compounds characterized by a carbon atom double-bonded to an oxygen atom. Aldehydes have at least one hydrogen atom attached to the carbonyl carbon, while ketones have two carbon groups attached. This structural difference influences their reactivity and stability, particularly in oxidation reactions.
Video consigliato:
03:57
Nucleophilic Addition on Ketones and Aldehydes
Hydration Equilibrium
Ketones and aldehydes can undergo hydration, forming their corresponding hydrate forms, which are typically more stable in aqueous solutions. This equilibrium between the carbonyl compound and its hydrate is crucial for understanding their behavior in solution, as it affects their reactivity and the extent to which they can participate in further chemical reactions.
Video consigliato:
09:11Alkyne Hydration
Oxidation of Carbonyl Compounds
Oxidation refers to the process of increasing the oxidation state of a molecule, often involving the addition of oxygen or the removal of hydrogen. Ketones cannot be oxidized further because they already possess the highest oxidation state for a carbonyl group, while aldehydes can be oxidized to carboxylic acids. This limitation is due to the structural stability of ketones, which prevents further oxidation under typical conditions.
Video consigliato:
01:40Defining meso compounds.
Pratica correlata
Domanda del libro di testo
Tertiary (3°)alcohols are not oxidized by chromic acid. Why?
2175
views
Domanda del libro di testo
Fill in the missing reactant, reagent, or product for each of the following oxidation reactions.
(a)
685
views
Domanda del libro di testo
If there is no water present, the hydrate of an aldehyde cannot form. Could an aldehyde itself (not the hydrate) be oxidized to a carboxylic acid? Why?
972
views
Domanda del libro di testo
Fill in the missing reactant, reagent, or product for each of the following oxidation reactions.
(b)
648
views
Domanda del libro di testo
Predict the product of the oxidation reactions shown.
(b)
1197
views