Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

10. Addition Reactions

Ozonolysis

Organic Chemistry

10. Addition Reactions

Ozonolysis

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2:55 minutes

Problem 61a

Textbook Question

What are the products of the following reactions? Indicate whether each reaction is an oxidation or a reduction.
a.

Verified step by step guidance

Step 1: Recognize the reaction type. The given reaction involves ozonolysis, which is a method used to cleave alkenes into carbonyl compounds (aldehydes or ketones). The reagents O₃ and Zn/CH₃CO₂H indicate reductive ozonolysis.

Step 2: Analyze the structure of the alkene. The molecule contains a double bond between two carbon atoms. Ozonolysis will cleave this double bond, splitting the molecule into two fragments at the site of the double bond.

Step 3: Determine the products formed. Each carbon atom involved in the double bond will be converted into a carbonyl group. If the carbon is bonded to hydrogen, it forms an aldehyde; if bonded to other carbons, it forms a ketone.

Step 4: Apply the cleavage to the given structure. The double bond in the molecule is between the two central carbons. After cleavage, the left fragment will form a ketone due to the presence of alkyl groups, and the right fragment will also form a ketone for the same reason.

Step 5: Classify the reaction as oxidation or reduction. Since reductive ozonolysis prevents the formation of carboxylic acids and instead forms aldehydes or ketones, this reaction is classified as an oxidation process because the carbon atoms increase their oxidation state.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Oxidation and Reduction

Oxidation and reduction are chemical processes that involve the transfer of electrons between substances. Oxidation refers to the loss of electrons or an increase in oxidation state, while reduction involves the gain of electrons or a decrease in oxidation state. These reactions are often coupled, meaning that when one substance is oxidized, another is reduced.

Identifying Reaction Products

Identifying the products of a chemical reaction requires understanding the reactants' structures and the type of reaction occurring. This involves applying knowledge of functional groups, reaction mechanisms, and the principles of conservation of mass. Analyzing the changes in bonding and molecular structure helps predict the resulting compounds.

Reaction Mechanisms

Reaction mechanisms describe the step-by-step sequence of elementary reactions that lead to the overall transformation of reactants into products. Understanding mechanisms is crucial for predicting the outcome of reactions, including the identification of intermediates and transition states. This knowledge helps in determining whether a reaction is an oxidation or reduction based on electron transfer.

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Related Practice

Textbook Question

Predict the product(s) that would result when the alkenes are allowed to react under the following conditions: (vii) 1. mCPBA 2. H₂SO₄, H₂O (viii) 1. O₃ 2. CH₃SCH₃

(l)

Textbook Question

Predict the product(s) that would result when the alkenes are allowed to react under the following conditions: (vii) 1. mCPBA 2. (viii) 1. O₃ 2. CH₃SCH₃

(f)

Textbook Question

Draw the product(s) you'd expect when each of these alkenes is treated first with O₃, then with CH₃SCH₃

(c)

Textbook Question

What alkenes would give only an aldehyde with four carbons as a product of oxidative cleavage

Textbook Question

What are the products of the following reactions? Indicate whether each reaction is an oxidation or a reduction.

Textbook Question

For each compound, show the products obtained from ozonolysis, followed by treatment with dimethyl sulfide.

Textbook Question

What alkene gives the product shown after reaction first with ozone and then with dimethyl sulfide?

Textbook Question

What alkene gives the product shown after reaction first with ozone and then with dimethyl sulfide?

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What are the products of the following reactions? Indicate whether each reaction is an oxidation or a reduction.a.

Key Concepts

Oxidation and Reduction

Identifying Reaction Products

Reaction Mechanisms

Watch next

What are the products of the following reactions? Indicate whether each reaction is an oxidation or a reduction.
a.