Which of the following statements best explains cracking? It is a process

A. in which an alkene adds on itself repeatedly to form long-chain polymers
B. in which large hydrocarbon molecules are broken into smaller units
C. for measuring the octane number of petrol
D. in which carbon chain results in a zigzag arrangement
E. in which aromatic hydrocarbons are produced

Correct Answer:

Option B – in which large hydrocarbon molecules are broken into smaller units