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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Question
For each of the following reactions,
a. Predict the major product.
b. State the type of mechanism followed.
c. Provide the arrow pushing mechanism.
Transcribed Image Text:### Figure: Organic Chemistry Reactions
#### Reaction a:
- **Structure**: This reaction shows an organic molecule with a bromine (Br) atom attached to one of the carbon chains.
- **Reagents and Conditions**: The reaction involves ethanol (EtOH) and heat.
- **Reaction Type**: Typically, such conditions indicate a substitution or elimination reaction, commonly leading to an alkene through dehydrohalogenation.
#### Reaction b:
- **Structure**: The starting molecule has an iodine (I) atom attached, within a longer carbon chain.
- **Reagents and Conditions**: Sodium bromide (NaBr) and dimethyl sulfoxide (DMSO) are used.
- **Reaction Type**: This often suggests a halogen exchange reaction, where the iodine atom may be substituted with a bromine atom through an SN2 mechanism due to the polar aprotic nature of DMSO, favoring substitution.
#### Reaction c:
- **Structure**: An organic compound with an iodine (I) atom in its structure.
- **Reagents and Conditions**: Ethanol (EtOH) is involved without additional heat specified.
- **Reaction Type**: This could indicate a substitution reaction, where the iodine atom might be substituted under certain conditions, or potentially elimination if a base were present.
These reactions demonstrate various substitution and elimination concepts in organic chemistry, highlighting the influence of different reagents and solvents.
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