Which of the following compounds found in Coal tar?

The correct answer is All of these.

Key Points

• Coal tar:
  • It is a by-product during the process of making coke.
  • It contains various aromatic compounds like benzene, naphthalene, phenols, aniline, anthracene etc.
  • Coal tar is used as a source of aromatic compounds which are processed using fractional distillation.
• Uses:
  • Used in making medicated shampoo, Soaps.
  • Some phenolic coal tars have the properties of a painkiller.
  • In making Roads.
  • Coal tar is inflammable in nature. so it is used for heating.
  • Manufacture paints, synthetic dyes, and photographic materials contain coal tar.
  • To make insecticides and pesticides.

Notes:

• Aromatic compound:
  • It is circularly structured organic compounds.
  • It contains sigma bonds along with delocalized pi electrons.
  • It is referred to as arenes or aryl hydrocarbons.
  • Total number of pi electrons in a monocyclic ring = 4n + 2.
  • Some examples:-