**Radical Halogenation: Stepwise Mechanism**This section explains the complete mechanism (initiation, propagation, and termination) using arrow-pushing for the radical halogenation of an alkane.**Chemical Reaction:**Starting Materials:- An alkane (depicted with a hydrogen atom attached to a carbon)- Chlorine molecule (Cl₂)Reaction Conditions:- Under the influence of light (hν), which initiates the reaction.Products:- Alkane with chlorine substituted for hydrogen- Hydrogen chloride (HCl)**Mechanism Steps:**1. **Initiation:** - Light (hν) causes the homolytic cleavage of the Cl₂ molecule, forming two chlorine radicals.2. **Propagation:** - The chlorine radical abstracts a hydrogen from the alkane, forming HCl and a carbon radical on the alkane. - The carbon radical then reacts with another Cl₂ molecule, forming the chlorinated alkane and another Cl radical. This Cl radical can continue the chain process.3. **Termination:** - Radicals combine with each other in various ways to terminate the chain reaction: - Two Cl radicals form Cl₂. - A Cl radical and an alkane radical form chloroalkane. - Two alkane radicals form a new C-C bond.This mechanism highlights the free radical halogenation process, which is crucial for synthetic applications in organic chemistry.

The given reaction follows the free radical mechanism that happens in three steps namely called:…

Answered: Q1 Radical Halogenation Show the…

Q1 Radical Halogenation Show the complete (initiation, propagation, and termination) stepwise mechanism, using arrow- pushing, for the following chemical transformation. CI + HCl H. hv

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

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Question

**Radical Halogenation: Stepwise Mechanism**

This section explains the complete mechanism (initiation, propagation, and termination) using arrow-pushing for the radical halogenation of an alkane.

**Chemical Reaction:**

Starting Materials:
- An alkane (depicted with a hydrogen atom attached to a carbon)
- Chlorine molecule (Cl₂)

Reaction Conditions:
- Under the influence of light (hν), which initiates the reaction.

Products:
- Alkane with chlorine substituted for hydrogen
- Hydrogen chloride (HCl)

**Mechanism Steps:**

1. **Initiation:**
- Light (hν) causes the homolytic cleavage of the Cl₂ molecule, forming two chlorine radicals.

2. **Propagation:**
- The chlorine radical abstracts a hydrogen from the alkane, forming HCl and a carbon radical on the alkane.
- The carbon radical then reacts with another Cl₂ molecule, forming the chlorinated alkane and another Cl radical. This Cl radical can continue the chain process.

3. **Termination:**
- Radicals combine with each other in various ways to terminate the chain reaction:
- Two Cl radicals form Cl₂.
- A Cl radical and an alkane radical form chloroalkane.
- Two alkane radicals form a new C-C bond.

This mechanism highlights the free radical halogenation process, which is crucial for synthetic applications in organic chemistry.

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