Topic 6 - Halogenoalkanes Flashcards
1
Q
How is ozone beneficial?
A
Absorbs UV radiation, which can cause sunburn, skin cancer and ageing skin.
2
Q
How do chlorine radicals form in the upper atmosphere?
A
The carbon-chlorine bonds in CFCs are broken down by UV light to produce chlorine radicals.
3
Q
What role do chlorine radicals play in the decomposition of ozone?
A
They catalyze the reaction as it is regenerated in the reaction, and can attack more ozone in a chain reaction.