What difference in molecular structure makes cocaine more polar than crack cocaine?

A) Cocaine is the ionic form, crack the non-ionic form, of the same drug.
B) Cocaine is the non-ionic form, crack the ionic form, of the same drug.
C) Cocaine has an added methyl group that crack does not.
D) Crack has an added methyl group that cocaine does not.

Molecular Structure

The spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together.

Polar

Referring to a molecule with positive and negative charged ends, resulting from an uneven distribution of electron density.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally for its euphoric effects and medically as a local anesthetic.