Answer :
A monohalogenated alkane is a haloalkeen containing only one halogen atom.
Alkanes are the straight chain or rings of carbon atoms with single bonds between each carbon atom.
When such rings or chains are treated with the halogen gas in the presence of light.
One of the many halogen atom get attached to the carbon chain or ring during the reaction.
Again the halogen atom also forms a single bond only without disturbing the bonds between the carbon atoms.
Because there is only one halogen atom present and the compound is alkane that's why the name monohalogenated alkane.
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