What Is the Basis for Classifying Amines as Primary, Secondary

Multiple Choice

What is the basis for classifying amines as primary, secondary, or tertiary?

A) the number of carbons bonded directly to a nitrogen atom
B) the number of carbons bonded to a carbon that is also bonded to nitrogen
C) the number of nitro groups bonded directly to a nitrogen atom
D) the number of hydrogen atoms present in the alkyl groups of an amine