This question is about organic chemistry and fuels. Hexane (C6H14C_6H_{14}C6H14) is a hydrocarbon.
Cracking breaks down large hydrocarbon molecules into smaller hydrocarbon molecules. Which hydrocarbon molecule can be cracked to produce hexane, C6H14C_6H_{14}C6H14?
C3H6C_3H_6C3H6
C3H8C_3H_8C3H8
C6H12C_6H_{12}C6H12
C10H22C_{10}H_{22}C10H22