Chlorination in itself has to do with the kind of reaction in which only one chlorine atom is added to the butane.
The term chlorination in itself has to do with the kind of reaction in which only one chlorine atom is added to the butane. In other words, the product of the reaction is a chlorobutane.
From the image that has been attached to this answer, we can see that there are three monochlorination products that can be obtained when butane undergoes reaction with the chlorine molecule that is catalyzed by ultraviolet light.
The structures of these products as well as the equation that produces them as required by questions (a) and (b) in the question above are all shown in the image attached to this answer.
Learn more about monochlorination:https://brainly.com/question/14102178
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