Question

State the environmental effects of the following compound:

Freons (CCl₂F₂, CCl₃F, CHClF₂)

Answer 1

Freons (CCl₂F₂, CCl₃F, CHClF₂):

1. Freon as refrigerant causes ozone depletion.
2. Freons have low toxicity and low biological activity.

DDT:

1. DDT is not readily metabolised by animals
2. Exposure to high doses of DDT may cause vomiting, tremors or shakiness.