Amines

What is the general formula for primary amines?

• RNH2
• R2NH
• R3N
• R4N
• RNH3

Which of the following is a secondary amine?

• CH3NH2
• (CH3)2NH
• CH3NHCH3
• NH3
• CH3OH

Which of the following reactions can be used to prepare a primary amine from a halogenoalkane?

• Reduction with LiAlH4
• Reduction with H2 and Ni catalyst
• Reaction with ammonia
• Reaction with an amine
• None of the above

Which of the following is an example of a quaternary ammonium salt?

• (CH3)3N
• (CH3)2NH
• CH3NH2
• (CH3)4N+Cl-
• NH3

What is the pKa value of aniline?

• ~4.6
• ~7.0
• ~10.5
• ~14.0
• None of the above

Which of the following is a characteristic property of amines?

• They have a fishy smell
• They are acidic
• They are basic
• They are neutral
• They are redox-active

Which of the following is an example of a naturally occurring amine?

• Aniline
• Ethylamine
• Methylamine
• Histamine
• None of the above