This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Alkanes are saturated hydrocarbons with single bonds. They are classified as follows -
Straight Chain: Alkanes, where carbon atoms are being attached in a continuous chain, are called straight chain alkanes or normal alkanes. 
2. Branched Chain: Alkanes, where carbon atoms are not in a continuous chain and are linked with other carbon atoms to make branches are called branched chain alkanes.