**Title: Bromination of Alkenes****Objective:**Understand the organic products obtained from the bromination of alkenes in different conditions.**Activity:**Follow the instructions below to draw the organic products formed when each of the following alkenes is treated with bromine:1. **trans-2-Pentene**2. **1-Methylcyclohexene****Instructions:**1. **Bromine Addition:** - Draw the organic product obtained when each alkene is treated with bromine (Br2). This is a classic electrophilic addition reaction where bromine adds across the double bond of the alkene.2. **Bromine in Aqueous Solution:** - Draw the organic product obtained when each alkene is treated with bromine in an aqueous solution. Bromination in aqueous solution usually leads to the formation of bromohydrins due to the formation of bromonium ions followed by nucleophilic attack by water.**Detailed Explanation:**### **Part (a): Bromination of trans-2-Pentene**- **Reaction with Bromine (Br2):** * *Structure:* Identify the trans-2-pentene structure (C5H10) which has a double bond between the second and third carbons with substituents arranged in a trans configuration. * *Product:* Write the product where each of the two bromine atoms from Br2 has added to the double bond, forming 2,3-dibromopentane.- **Reaction with Bromine in Aqueous Solution:** * *Structure:* Note the intermediate formation of a bromonium ion. * *Product:* Draw the product where a bromine atom and a hydroxyl group (OH) have added to the previously double-bonded carbons, forming a bromohydrin (e.g., 2-bromo-3-pentanol or 3-bromo-2-pentanol).### **Part (b): Bromination of 1-Methylcyclohexene**- **Reaction with Bromine (Br2):** * *Structure:* Recognize the 1-methylcyclohexene (C7H12) structure with a double bond in the cyclohexane ring. * *Product:* Draw the product where each of the two bromine atoms from Br2 has added across the double bond, forming 1-methyl-

The products formed form two alkenes with bromine have to be drawn. The products formed form two…

Draw the organic product obtained on treatment of each of the following two alkenes with bromine: (a) trans-2-pentene and (b) 1- methylcyclohexene. Having done this, draw the product of the reaction of these same alkenes with bromine in aqueous solution.

Draw the organic product obtained on treatment of each of the following two alkenes with bromine: (a) trans-2-pentene and (b) 1- methylcyclohexene. Having done this, draw the product of the reaction of these same alkenes with bromine in aqueous solution.

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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**Title: Bromination of Alkenes**

**Objective:**
Understand the organic products obtained from the bromination of alkenes in different conditions.

**Activity:**
Follow the instructions below to draw the organic products formed when each of the following alkenes is treated with bromine:

1. **trans-2-Pentene**
2. **1-Methylcyclohexene**

**Instructions:**

1. **Bromine Addition:**
- Draw the organic product obtained when each alkene is treated with bromine (Br2). This is a classic electrophilic addition reaction where bromine adds across the double bond of the alkene.

2. **Bromine in Aqueous Solution:**
- Draw the organic product obtained when each alkene is treated with bromine in an aqueous solution. Bromination in aqueous solution usually leads to the formation of bromohydrins due to the formation of bromonium ions followed by nucleophilic attack by water.

**Detailed Explanation:**

### **Part (a): Bromination of trans-2-Pentene**

- **Reaction with Bromine (Br2):**
* *Structure:* Identify the trans-2-pentene structure (C5H10) which has a double bond between the second and third carbons with substituents arranged in a trans configuration.
* *Product:* Write the product where each of the two bromine atoms from Br2 has added to the double bond, forming 2,3-dibromopentane.

- **Reaction with Bromine in Aqueous Solution:**
* *Structure:* Note the intermediate formation of a bromonium ion.
* *Product:* Draw the product where a bromine atom and a hydroxyl group (OH) have added to the previously double-bonded carbons, forming a bromohydrin (e.g., 2-bromo-3-pentanol or 3-bromo-2-pentanol).

### **Part (b): Bromination of 1-Methylcyclohexene**

- **Reaction with Bromine (Br2):**
* *Structure:* Recognize the 1-methylcyclohexene (C7H12) structure with a double bond in the cyclohexane ring.
* *Product:* Draw the product where each of the two bromine atoms from Br2 has added across the double bond, forming 1-methyl-

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