Write down structure of the following compounds:
3,5-hexadienoic acid

Explanation

To write down the structure of 3,5-hexadienoic acid, we will follow these steps:

### Step 1: Identify the Base Chain
The name "hexadienoic acid" indicates that the compound has a six-carbon chain (hex-) and contains two double bonds (diene).

**Hint:** The prefix "hexa-" indicates the number of carbon atoms in the longest chain.

### Step 2: Determine the Position of Double Bonds
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