An olefinic compound on reductive ozonolysis produces formaldehyde, acetaldehyde and 1, 3-propanedial. The IUPAC name of the alkene is

Options

A. 1, 4-Hexadiene
B. 2-Methyl-1, 3-pentadiene
C. 1, 2-Hexadiene
D. None of these

Answer

To determine the IUPAC name of the alkene that produces formaldehyde, acetaldehyde, and 1,3-propanediol upon reductive ozonolysis, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Products**: The products of the reductive ozonolysis are:
- Formaldehyde (HCHO)
- Acetaldehyde (CH3CHO)
- 1,3-Propanediol (which is HOCH2CHOHCHO)

2. **Identify the Structure of the Products**:
- Formaldehyde is a 1-carbon aldehyde.
- Acetaldehyde is a 2-carbon aldehyde.
- 1,3-Propanediol has two aldehyde groups at the ends, indicating that the original alkene likely had a structure that could lead to these products upon cleavage.

3. **Determine the Alkene Structure**:
- The ozonolysis reaction involves breaking the double bond of the alkene and forming carbonyl groups (C=O).
- The presence of both formaldehyde and acetaldehyde suggests that the alkene has a structure that allows for the formation of these aldehydes.

4. **Construct Possible Alkene**:
- Given the products, we can deduce that the alkene must have a structure that allows for the formation of these carbonyl compounds.
- The alkene must be symmetrical to produce both formaldehyde and acetaldehyde.

5. **Visualize the Alkene**:
- The alkene can be represented as follows:
- CH2=CH-CH2-CH=CH2
- This structure can be rearranged to show how it would break down into the products.

6. **Number the Carbon Chain**:
- Number the carbon chain from one end to determine the positions of the double bonds.
- The double bonds are located at the 1st and 4th positions.

7. **IUPAC Naming**:
- The IUPAC name for the alkene with double bonds at positions 1 and 4 is 1,4-hexadiene.

8. **Conclusion**:
- Therefore, the IUPAC name of the alkene that produces the given products upon reductive ozonolysis is **1,4-hexadiene**.

### Final Answer:
The IUPAC name of the alkene is **1,4-hexadiene**.