On the left-hand (reactants) side of the reaction, provide the curved arrows (using the formalism you’ve learned in this course) necessary to form the products shown. d a. H-Ö: - H-O: H-ö H. b. -H-Ö: + :0-CH3 -CH3 H-Ö-)-H Ö-CH, - :0-CH3
On the left-hand (reactants) side of the reaction, provide the curved arrows (using the formalism you’ve learned in this course) necessary to form the products shown. d a. H-Ö: - H-O: H-ö H. b. -H-Ö: + :0-CH3 -CH3 H-Ö-)-H Ö-CH, - :0-CH3
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:**Curved Arrows and Reaction Mechanisms**
In this exercise, you are required to provide the curved arrows on the left-hand side (reactants) of the chemical reactions to demonstrate the electron flow necessary to form the products shown.
**Diagrams:**
1. **Reaction a:**
- **Reactants:**
- A formic acid molecule (HCOOH) interacts with carbon dioxide (CO₂).
- **Products:**
- A new molecule with two formic acid units connected (OC-OCOOH⁻).
*Exercise:* Draw curved arrows to represent the movement of electrons that result in the formation of the bond between the two oxygen atoms in the product.
2. **Reaction b:**
- **Reactants:**
- Formic acid (HCOOH) combines with a carbonic acid (H₂CO₃) molecule.
- **Products:**
- A conjugate base of formic acid (HCOO⁻) and a formate ester (CH₃O²COOH).
*Exercise:* Indicate how electrons shift in the reactants to yield the ester linkage seen in the product.
3. **Reaction c:**
- **Reactants:**
- Formic acid (HCOOH) is shown interacting with a methoxide ion (CH₃O⁻).
- **Products:**
- A formation of methanol (CH₃OH) and a formate ion (HCOO⁻).
*Exercise:* Use curved arrows to display the electron flow that leads to the creation of methanol and the formate ion.
**Instructions:**
- Use established formalism to illustrate electron pair displacements.
- Ensure each reaction mechanism includes all relevant structures and intermediates.
- This exercise helps in understanding nucleophilic substitutions and additions, critical concepts in organic chemistry.
Study and practice these mechanisms to enhance your comprehension of reaction dynamics and electron movement.
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