Chlorofluorocarbons (CFCs) are also known as ________.  

This question was previously asked in
RPF Constable (2018) Official Paper (Held On: 02 Feb 2019)
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  1. Chlorocarbon
  2. Fluoromethane
  3. Anisol
  4. Freon

Answer (Detailed Solution Below)

Option 4 : Freon
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Detailed Solution

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The correct answer is Freon.

Key Points:Freon

  • Freon is a simple fluorinated aliphatic organic compound that is used in commerce and industry.
  • In addition to fluorine and carbon, Freons often contain hydrogen, chlorine, or bromine.
  • Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds.
  • The name Freon is a trademark registered by E.I. du Pont de Nemours & Company.
  • The Freons are colorless, odorless, nonflammable, noncorrosive gases or liquids of low toxicity that were introduced as refrigerants in the 1930s.
  • They also proved useful as propellants for aerosols and in numerous technical applications.
  • Their low boiling points, low surface tension, and low viscosity make them especially useful refrigerants.
  • They are extremely stable, inert compounds.

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