Multiple choice

Which among the following is a constituent of coal tar?

  1. Abietic acid

  2. Acenaphthene

  3. Acenaphthoquinone

  4. Acenaphthylene

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Acenaphthene is a polycyclic aromatic hydrocarbon (PAH) consisting of naphthalene with an ethylene bridge connecting positions 1 and 8. An alternative name, 1,2-dihydroacenaphthylene, emphasizes that it is a hydrogenated form of acenaphthylene. It is a constituent of coal tar.