A functional group of an organic compound is an atom or a group of atoms in the compound that determines its chemical properties and in most cases is one of the sites of its chemical reactions. How many functional groups are present in the following compound?

Options

A. (1) Two
B. (2) Three
C. (3) Five
D. (4) Four

Answer

D

Explanation

A functional group may be atom or a group of atoms which is reponsible for its chemical properties. The following functional groups are present: A ketone at `C^(3)`, a double bond (alkene) at `C^(4)` to `C^(5)`, an alcohol at `C^(13)`, and a triple bond (alkene) attached at `C^(14)`.