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16 January, 13:24

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer?

a.

The chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced.

b.

The chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production.

c.

Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.

d.

Chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone.

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Answers (2)
  1. 16 January, 14:27
    0
    Answer : Option C) Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.

    Explanation : Small quantities of chlorofluorocarbons are considered harmful to the ozone layer because the free oxygen atoms found in the ozone layer region gets replaced by the chlorine monoxide compound which releases a free chlorine atom in the atmosphere, which later get combined with the another oxygen atom which destroys the ozone layer. It makes the ozone layer more thin than before by this process.
  2. 16 January, 15:59
    0
    I believe your answer is C
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