Formaldehyde to urotropine

Explanation

To convert formaldehyde (HCHO) to urotropine, we can follow these steps:

### Step 1: Understanding the Reactants
Formaldehyde (HCHO) is the simplest aldehyde, and urotropine is a hexamethylenetetramine, which can be formed by the reaction of formaldehyde with ammonia.

### Step 2: Reaction of Formaldehyde with Ammonia
When formaldehyde reacts with ammonia, it forms an intermediate compound. The reaction can be represented as follows:

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