Question

Which of the following groups is present in amine compounds?
A) COOH group
B) PO4 gropu
C) NH2 group

Answer 1

Now this is where we gotta use chemistry.
Do you got a good guess what might be an amine?

Answer 2

Or we can do it this way, you might get more from it:

Assign A), B) and C) to the following numbers:

1) Amine group
2) Phopshate group
3) Carboxyl group (carboxylic acid)

Answer 3

NH2 group :D

Answer 4

Hence, the correct option is amine (NH2)