Organic Compounds Containing Halogens Question 21
Question: Freon (dichlorodifluoro methane) is used
[CPMT 1986; DPMT 1983; CBSE PMT 2001]
Options:
A) As local anaesthetic
B) For dissolving impurities in metallurgical process
C) In refrigerator
D) In printing industry
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Answer:
Correct Answer: C
Solution:
Freon $ (CCl_2F_2) $ is an odourless, non-corrosive, non toxic gas which is stable even at high temperatures and pressures.
It has low b.Pt, low specific heat and can be easily liquified by applying pressure at room temperature.
It is therefore, widely used in refrigerant (cooling agent) in refrigerators and air conditioners.
BETA
