Sure! Let's draw the structures for each of the given alcohols step by step.
### a. Butane-1,3-diol
1. Identify the main chain: Butane (4 carbon atoms).
2. Identify the positions and groups attached: Hydroxyl groups (-OH) at positions 1 and 3.
Structure:
```
H H H H
| | | |
H-C-C-C-C-H
| | |
OH H OH
```
### b. 3-Chlorocyclohexanol
1. Identify the main ring: Cyclohexane (6 carbon atoms in a ring).
2. Identify the positions and groups attached: One hydroxyl group (-OH) at position 1 and one chlorine (Cl) at position 3.
Structure:
```
OH
|
/ \
| |
-Cl |
| |
\ /
```
### c. 3-Propylhexan-1-ol
1. Identify the main chain: Hexane (6 carbon atoms).
2. Identify the positions and groups attached: A hydroxyl group (-OH) at position 1 and a propyl group at position 3.
Structure:
```
H H H H H H
| | | | | |
H-C-C-C-C-C-C-H
| |
OH CH2CH2CH3
```
### d. 2-Bromopentane-1,3-diol
1. Identify the main chain: Pentane (5 carbon atoms).
2. Identify the positions and groups attached: Hydroxyl groups (-OH) at positions 1 and 3 and a bromine (Br) at position 2.
Structure:
```
H Br H H H
| | | | |
H-C-C-C-C-C-H
| | |
OH H OH
```
### e. 2-Fluoro-2-iodo-3-methylcyclobutan-1-ol
1. Identify the main ring: Cyclobutane (4 carbon atoms in a ring).
2. Identify the positions and groups attached: Hydroxyl group (-OH) at position 1, both fluorine (F) and iodine (I) at position 2, and a methyl group at position 3.
Structure:
```
OH
|
--C--
| F |
I| |
| Me |
--C--
```
### f. Hexane-2,4-diol
1. Identify the main chain: Hexane (6 carbon atoms).
2. Identify the positions and groups attached: Hydroxyl groups (-OH) at positions 2 and 4.
Structure:
```
H OH H OH H H
| | | | | |
H-C-C-C-C-C-C-H
| | | | | |
```
### g. 3-Ethylcyclobutanol
1. Identify the main ring: Cyclobutane (4 carbon atoms in a ring).
2. Identify the positions and groups attached: Hydroxyl group (-OH) at position 1 and an ethyl group at position 3.
Structure:
```
OH
|
--C--
| |
| |
| |
--C--CH2CH3
```
There you have it! These are the structures for the stated alcohols.
