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Multiple Choice
Which of the following is a secondary amine?
A
B
C
D
Verified step by step guidance
1
Understand the classification of amines: Primary amines have one alkyl or aryl group attached to the nitrogen atom, secondary amines have two, and tertiary amines have three.
Examine the first image: The nitrogen atom is bonded to three alkyl groups, indicating it is a tertiary amine.
Examine the second image: The nitrogen atom is bonded to one alkyl group and two hydrogen atoms, indicating it is a primary amine.
Examine the third image: The nitrogen atom is bonded to two alkyl groups and one hydrogen atom, indicating it is a secondary amine.
Examine the fourth image: The nitrogen atom is bonded to one alkyl group and two hydrogen atoms, indicating it is a primary amine.