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CBSE Class 12-science Answered

Name the allotropic form of oxygen. What is the environment disturbance caused by oxygen and its isotope?
Asked by Topperlearning User | 10 Jun, 2014, 05:10: PM
answered-by-expert Expert Answer

Oxygen normally exists as a diatomic molecule O2, but its allotropic form called ozone O3 is produced in the upper atmosphere. This acts as a shield protecting life from harmful ultraviolet rays. The destruction of this ozone layer by chemicals called CFC's (chlorinated fluorocarbons - now banned in several countries) is a major cause for concern.

Answered by | 10 Jun, 2014, 07:10: PM
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