Write down structure of the following compounds:
1,2-dibromo-3-chloro-1-butene

Explanation

To draw the structure of 1,2-dibromo-3-chloro-1-butene, we will follow these steps:

### Step 1: Identify the main chain
The name "1-butene" indicates that the main carbon chain consists of 4 carbon atoms (butane). The "ene" suffix indicates that there is a double bond present in the structure.

**Hint:** The prefix "but" indicates a four-carbon chain.

### Step 2: Determine the position of the double bond
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