Domanda del libro di testo
Predict the product(s) that would result when the alkenes are allowed to react under the following conditions: (i) Br2 (ii) Cl2
(f)
689
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Ch. 9 - Alkenes 2: Oxidation and Reduction
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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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
Capitolo 8, Problema 45h(x)
Predict the product(s) that would result when the alkenes are allowed to react under the following conditions: (x) D2, Pd/C.
(h) 
Guida verificata passo dopo passo1
Identify the type of reaction: The reaction involves an alkene and deuterium (D₂) in the presence of a palladium on carbon (Pd/C) catalyst. This is a catalytic hydrogenation reaction, where the double bond in the alkene is reduced to a single bond by the addition of deuterium atoms.
Understand the mechanism: In catalytic hydrogenation, the alkene π-bond interacts with the catalyst surface, allowing the D₂ molecule to dissociate into two D atoms. These D atoms are then added to the carbon atoms of the double bond in a syn addition (both deuterium atoms add to the same face of the alkene).
Determine the product: The double bond in the alkene is replaced by a single bond, and each carbon atom of the former double bond gains one deuterium atom. The stereochemistry of the product will depend on the starting alkene's structure (e.g., cis or trans).
Consider regioselectivity and stereoselectivity: Since this is a simple addition of deuterium, there is no regioselectivity to consider. However, the syn addition nature of the reaction means that the stereochemistry of the product will reflect this (e.g., if the alkene is cyclic, the deuterium atoms will add to the same face of the ring).
Write the product structure: Replace the double bond in the alkene with a single bond, and add one deuterium atom to each carbon of the former double bond. Ensure that the stereochemistry is consistent with syn addition if applicable.
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Concetti chiave
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Hydrogenation
Hydrogenation is a chemical reaction that involves the addition of hydrogen (H₂) to an unsaturated compound, such as an alkene or alkyne, resulting in the formation of a saturated compound. In the presence of a catalyst like palladium on carbon (Pd/C), the reaction proceeds efficiently, converting double bonds into single bonds and increasing the saturation of the molecule.
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00:48
The definition of hydrogenation.
Alkenes
Alkenes are hydrocarbons that contain at least one carbon-carbon double bond (C=C). They are unsaturated compounds, which means they have fewer hydrogen atoms than their saturated counterparts (alkanes). The presence of the double bond makes alkenes more reactive than alkanes, allowing them to undergo various addition reactions, including hydrogenation.
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Percorso guidato
2:09Alkene Metathesis Concept 1
Catalysis
Catalysis is the process by which the rate of a chemical reaction is increased by the presence of a catalyst, which is a substance that is not consumed in the reaction. In the case of hydrogenation, palladium (Pd) acts as a catalyst, facilitating the addition of hydrogen to the alkene without being permanently altered, thus allowing the reaction to proceed more rapidly and under milder conditions.
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Percorso guidato
2:31Nucleophilic Catalysis Concept 1
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Predict the product(s) that would result when the alkenes are allowed to react under the following conditions: (ii) Cl2
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