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...
Related questions
Question
Mechanistic steps involving bond-breaking can occur with homolytic cleavage or heterolytic cleavage. Identify what type of cleavage is occurring in the following reaction.
- A) heterolytic cleavage
- B) homolytic cleavage
- C) Neither homolytic or heterolytic cleavage
- D) This is a bond making step

Transcribed Image Text:The image illustrates an acid-base reaction mechanism.
### Top Reactants:
1. **Left:** Acetic acid molecule, depicted with a carbonyl group (C=O) and a hydroxyl group (O-H) shown with electron dots around the oxygen atom.
2. **Right:** Hydroxide ion (OH⁻), where the oxygen is shown with a full octet of electron dots and a negative charge in a circle.
### Arrow:
A downward-pointing arrow indicates the progression of the chemical reaction from reactants to products.
### Bottom Products:
1. **Left:** Acetate ion (CH₃COO⁻), shown with the same carbonyl group. The hydroxyl hydrogen is no longer present, and the oxygen carries a negative charge with a full octet.
2. **Right:** Water molecule (H₂O), with two hydrogen atoms bonded to oxygen, each bond shown with electron dots around the oxygen.
This diagram represents the deprotonation of acetic acid by a hydroxide ion, leading to the formation of acetate and water.
Expert Solution

Step 1
Homolytic cleavage involves symmetrical cleavage of bonds that means each atom gets one unpaired electrons and resulting species are free radicals.
Heterolytic cleavage involves un-symmetrical cleavage of bonds that means onee of the bonded atom gets paired electrons and gets negative charge and resulting species are charged particles(cation and anion)
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