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Give two uses of freons...

Give two uses of freons

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The chlorofluoro compounds of methane and ethane are collectively known as freon. These are unreactive, and is stable even under high temperature and pressure. Preparation : When carbon tetrachloride is treated with antimony fluoride in the presence of antimony pentachloride, freon is formed.
`3C Cl_4 +2SbF_3 overset("SbCl_5)to 2SbCl_3 + 3 C Cl_2 F_2`
Freon -12 It is also known as freon-12.
Uses :Freon is used as refrigerants in refrigerators and air conditioners.
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