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Q.

Ozone in the stratosphere is depleted by


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a

C6F6 Cl6

b

C7F16

c

CF2Cl2

d

C6F6 

answer is C.

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Detailed Solution

CF2Cl2 depletes ozone in the stratosphere.
The ozone layer is being destroyed as a result of the presence of CFCs in the atmosphere. This compound has the chemical formula CF2Cl2. They serve as coolants in coolers, refrigerators, and other devices. The ozone molecule is broken by the CFCs, creating an oxygen radical and O2 in the process.
Thus,  3  is the correct answer.
 
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