In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom ...
Question
In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocarbon molecule. The effect of this is that the free chlorine atom will
Options
A) be very reactive and will attack ozone
B) be non-reactive and will not attack ozone
C) not change the level of ozone in the atmosphere
D) increase the level of ozone in the atmosphere
Related Lesson: Polar Ozone Holes | Chemistry and the Real World
The correct answer is A.
Explanation:
CFCs (Chlorofluorocarbons) have a lifetime in the atmosphere of about 20 to 100 years, and consequently one free chlorine atom from a CFC molecule can do a lot of damage, destroying ozone molecules for a long time.
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CFCs (Chlorofluorocarbons) have a lifetime in the atmosphere of about 20 to 100 years, and consequently one free chlorine atom from a CFC molecule can do a lot of damage, destroying ozone molecules for a long time.