A) \[CCl{{F}_{3}}\]
B) \[C{{H}_{2}}C{{l}_{2}}\]
C) \[CC{{l}_{2}}{{F}_{2}}\]
D) \[C{{H}_{2}}{{F}_{2}}\]
Correct Answer: C
Solution :
Chlorofluoro compounds of methane and ethane are collectively called freons. These are further classified on the basis of number of fluorine atoms present in them. Example : \[C{{F}_{4}}\] (Freon-14) \[C{{F}_{3}}Cl\] (Freon-13) \[C{{F}_{2}}C{{l}_{2}}\] (Freon-12) \[CFC{{l}_{3}}\] (Freon-11)
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