The Molecule That is Polar and Acts Like a Base

Question

The molecule that is polar and acts like a base is
A)R-NH2
B)R-CO-R
C)R-OH
D)R-PO4
E)R-SH

Accepted Answer

Amines (R-NH2) are polar due to the presence of a nitrogen atom with a lone pair of electrons, which can accept protons, thus acting as a base.