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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Transcribed Image Text:**Reaction Mechanism Diagram Explanation**
Title: Reaction Mechanism: Formation of Product via Curved Arrows
**Instruction:**
"Draw the curved arrows to show how the product is formed."
**Diagram Explanation:**
- **Reactants:**
- The first reactant on the left features an oxygen atom connected to a methyl group (CH₃) where the oxygen has a negative charge (depicted in red) and three lone pairs.
- The second reactant in the center is a ketone with a central carbon atom double-bonded to an oxygen atom. The carbon also forms two single bonds with two methyl groups, one on each side.
- **Products:**
- The resulting product is shown on the right. It features an ester-like structure where the former ketone's oxygen is now single-bonded to the central carbon, and the methyl group with the previous negative oxygen is now bonded to this oxygen.
- The oxygen atoms are depicted with two lone pairs each.
**Mechanism Suggestion:**
- The curved arrows (not illustrated) should show:
- The movement of a lone pair from the negatively charged oxygen toward the carbon atom of the ketone, forming a new C-O bond.
- Simultaneous formation of the product structure where the old C=O bond of the ketone is now a single C-O bond, and the methyl group is attached through an ester linkage.
This step hints at a nucleophilic acyl substitution mechanism, commonly observed in esterification and similar reactions.
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