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प्रश्न
What are Freons?
उत्तर
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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