Answer: The correct answer is "c" caffeine is a weak base with pka~8.0
Explanation:
Caffeine,C8H10N4O2, are alkaloids, which are amines,which means they are basic in nature.Caffeine occurs naturally in tea leaves, coffee beans and cola nuts.It act as central nervous system stimulant.
It belongs to the methylxanthine family of drug.It acts as a very weak base that reacts with acids to form salt that are readily hydrolysed.
