Living By Chemistry: First Edition Textbook
1st Edition
ISBN:9781559539418
Author:Angelica Stacy
Publisher:Angelica Stacy
ChapterU2: Smells: Molecular Structure And Properties
Section: Chapter Questions
Problem 3RE
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Transcribed Image Text:### Drawing 2-Methylpropanal with All Hydrogen Atoms Included
In this tutorial, we will draw the structural formula for 2-methylpropanal and ensure all hydrogen atoms are depicted.
#### Steps and Tools
1. **Select Drawing Tools:**
- Use the toolbar to select various line styles for bonds (single, double, and triple).
- Element buttons for carbon (C), hydrogen (H), and oxygen (O) are available to facilitate the drawing process.
2. **Structure Details:**
- The structure consists of three carbon atoms forming the main chain with an aldehyde group (-CHO) at the end.
- The 2-methyl group is attached to the second carbon in the chain.
- Hydrogen atoms are added to each carbon to satisfy the valency requirements (carbon forms four bonds, hydrogen forms one, and oxygen forms two bonds).
#### Completed Structure
Here is the completed structural diagram of 2-methylpropanal:
```
H H O
| | ||
H— C—C—C—C
| |
H H
```
- **Carbon Backbone:**
- Three carbon atoms form a straight chain, with the first carbon bonded to a double-bonded oxygen in the aldehyde group.
- The second carbon is bonded to an additional carbon forming the 2-methyl group.
- **Hydrogen Attachment:**
- The first carbon is bonded to one hydrogen atom.
- The second carbon, apart from bonding with the 2-methyl group, is also bonded to one hydrogen atom.
- The third carbon (methyl group) has three hydrogen atoms attached.
### Summary
The study of the structural formula of 2-methylpropanal demonstrates its molecular structure, ensuring that all atoms, including hydrogens, are correctly placed. Make sure to verify all valencies and bond arrangements to ensure accuracy in your chemical drawings.
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