Hi and welcome back to my channel. Today we're going to look at practicing writing free radical reactions. Here is a basic free radical reaction to form chloromethane.
First of all, we have the initiation step. This usually involves a halogen, which will split into radicals by a process of UV light. One of your chloride radicals can then react with a methane molecule. This chloride radical will react with a hydrogen to form HCl.
This will leave behind a methyl radical. The methyl radical can then go on to react with the chlorine molecules. This will create chloromethane and will also create a chloride radical.
Whenever you have a propagation step, you will use up one radical and produce another radical. During the termination step, two radicals will react together to form a new molecule. Here we have three options for a termination step. Two chloride radicals can react to form a chlorine molecule.
A methyl radical can react with another methyl radical to create ethane. Or a methyl radical can react with a chloride radical to produce chloromethane. This means that during free radical reactions you get a large mixture of products.
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