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Ozone in the upper atmoshphere absorbs u...

Ozone in the upper atmoshphere absorbs ultraviolet radiation which induces the following chemical reaction
`O_(3)(g)rightarrowO_(2)(g)+O(g)`
`O_(2)` produced in the above photochemical dissociation undergoes further dissociation into one normal oxygen atom (O) and more energetic oxygen atom `O**`.
`O_(2)(g) rightarrowO+O**`
`(O**)` has 1 eV more energy than(O) and normal dissociation energy of `O_(2)` is 480 kJ `"mol"^(-1)`.
[1 eV/Photon =96 kJ `"mol"^(-1)`]
If dissociation of `O_(3)` into `O_(2)` and O requires 400kJ `mol^(-1)` and O_(2) produced in this reaction is further dissociated to O and `O**` then the total energy required to for the dissociation of `O_(3)` into O and `O**` is :

A

1168kJ/mol

B

976kJ/mol

C

880kJ/mol

D

None of these

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