Assertion: Arachidic acid is an unsaturated fatty acid.
Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids.
The correct option is D. Both Assertion and Reason are false.
Unsaturated fatty acids: The fatty acids which contain double or triple bonds between carbon atoms.
Example palmitoleic acid, oleic acid, linolenic acid, arachidonic acid, etc.
Arachidic acid is also known as icosanoic acid. It is a saturated fatty acid(contains only a single bond) found in peanut oil.