Q. Which of the following is known as freon $12 ?$

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A

$C H C l_{3}$

8%

B

$CC l_{2} F_{2}$

66%

C

$P h - COC H_{2} Cl$

16%

D

$P h - Cl$

11%

Solution:

Freon 12 is $C F_{2} C l_{2}$ .