Which of the following statements concerning hydrocarbons is/are CORRECT?
1)Coal is a source of many aromatic hydrocarbons.
2)Petroleum is subjected to a process known as cracking,where aromatic rings are cracked open to yield alkane chains.
3)The primary components of petroleum (prior to refining)are alkenes and alkynes.
A) 1 only
B) 2 only
C) 3 only
D) 1 and 3
E) 1,2,and 3

Question

Quizplus · Accepted Answer

Coal is indeed a source of many aromatic hydrocarbons. However, in petroleum refining, cracking typically breaks down larger alkanes into smaller alkanes and alkenes, not aromatic rings. The primary components of petroleum are alkanes, not alkenes and alkynes.

Which of the Following Statements Concerning Hydrocarbons Is/are CORRECT