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The gas 'A' is having very low reactivit...

The gas 'A' is having very low reactivity reaches to stratosphere. It is non-toxic and non-flammable but dissociated by UV-radiations in stratosphere. The intermediates formed initially from the gas 'A' are :

A

`overset(*)(C )H_(3)+overset(*)(C )F_(2)Cl`

B

`Cioverset(*)(O)+overset(*)(C )F_(2)Cl`

C

`overset(*)(C )l+overset(*)(C )F_(2)Cl`

D

`Cloverset(*)(O)+overset(*)(C )H_(3)`

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