Ozone depletion over Antarctia is due to the

Options

A. Formation of chlorine nitrate `(ClONO_(2))`
B. formation of `HCl`
C. formation of `HOCl` and `Cl_(2)` which are converted back into reactive `Cl` atoms
D. none of the above

Answer

C

Explanation

`HOCl` and `Cl_(2)` are formed over Antarctica. These are converted back into reactive `Cl` atoms which start the chain reaction with `O_(3)` causing its depletion.