Question

5. Once the caffeine is removed from the plant
materials, how might the caffeine be recovered
from the supercritical Co,?
F. by forcing the Co, back through the plant
materials
G. by lowering the temperature and pressure
of the CO2
H. by changing the polarity of the caffeine
molecules
I. by using a harsher solvent

Answer 1

Answer:

Option C

Explanation:

• Caffeine is actually supercritical carbon dioxide
• Lowering the temperature will cool it down and can make dry ice kinda situation
• Pressure must be low also

Option G is correct