The formula of Freon-12 is:

${CH}_{2} F_{2}$

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${CClF}_{3}$

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${CH}_{2} {Cl}_{2}$

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${CCl}_{2} F_{2}$

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Solution

The correct option is D
${CCl}_{2} F_{2}$

The explanation for the correct answer:
(D) - $C Cl subscript 2 F subscript 2$
Freons are also known as chloro-fluoro-carbons.
They cause depletion of ozone.
The explanation for the incorrect options
(A) - $C H subscript 2 F subscript 2$
Difluoro methane or difluoromethylene is an organic compound of the haloalkane family.
Haloalkanes or alkyl halides are organic compounds, which contain at least one halogen atom bonded to the carbon atom.
(B)- $C Cl F subscript 3$
Chlorotrifluoro methane is a colourless gas.
It is non-combustible, it can asphyxiate by the displacement of air.
(C) - $C H subscript 2 Cl subscript 2$
Di chloromethane is a germinal organic compound and is also called methylene chloride or methylene dichloride.
It can be obtained naturally from oceanic sources, macroalgae, volcanoes and wetlands.
Therefore, the correct option is (D).

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