4
Tetrachlo-
romethane
(Carbon
tetrachloride)
6 8 2
Trichloro-
methane
(Chloroform)
Rationalised 2023-24
188
Chemistry
ozone layer is believed to increase human exposure to ultraviolet rays,
leading to increased skin cancer, eye diseases and disorders, and
possible disruption of the immune system The chlorofluorocarbon compounds of methane and ethane are collectively
known as freons