The decreasing order of priority for the following functional group is:
I) `-C equiv N` II) `-CONH_2` III) IV) -CHO II > I > IV > III III > IV > I > II I > II > IV > III I > II > III > IV

Options

A. II `gt` I `gt` IV `gt` III
B. III `gt` IV `gt` I `gt` II
C. I `gt` II `gt` IV `gt` III
D. I `gt` II `gt` III `gt` IV

Explanation

II `gt` I `gt` IV `gt` III