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What are Freons? - Chemistry (Theory)

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What are Freons?

What is freon?

Short Answer
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Solution 1

The chloro fluoro derivatives of methane and ethane are called freons.

Freon is represented as Freon – cba

Where, c = number of carbon atoms, b = number of hydrogen atoms, a = total number of fluorine atoms.

CF2Cl2 = 0

C = 1 – 1 = 0

H = 0 +1 = 1

F = 2

So Freon – 12 is CF2Cl2

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Solution 2

Freon refers to a group of chlorofluorocarbon (CFC) compounds, specifically refrigerants such as dichlorodifluoromethane (CCl2F2), which are widely used in refrigeration, air conditioning, and as aerosol propellants; however, Freon and similar CFCs are known to deplete the ozone layer in the stratosphere due to their chlorine content, which catalyzes the breakdown of ozone molecules. They are chemically stable, non-flammable, and efficient refrigerants but have environmental impacts related to ozone depletion.

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Poly Halogen Compounds
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Chapter 14: Haloalkanes and Haloarenes - Evaluation [Page 255]

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Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 11 TN Board
Chapter 14 Haloalkanes and Haloarenes
Evaluation | Q II. 19. a. | Page 255
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