A cracking process in petroleum refining can be represented by

Answer Details

Cracking is a process used in petroleum refining to break down large hydrocarbon molecules into smaller, more useful molecules. The cracking of heptane, a hydrocarbon with 7 carbon atoms, can result in the formation of various smaller molecules. Among the given options, the cracking of heptane to propene and butane is the representation of the process. Propene and butane are smaller, more useful molecules that can be used for various purposes, such as fuel and chemical feedstocks.