Questions (Clickers)

1
Questions (Clickers)

• Which is the stronger acid?
• Acetic acid
• Phenol

pKa 5
pKa 10
2
Carboxylic Acids Phenols as Weak Acids

• The acidity of hydroxyl groups depend on what
  they are connected to

3
Question (Clickers)

• At pH 7, which will be the predominant species?
• Carboxylic acid
• Carboxylate ion

pKa 5
carboxylic acid
carboxylate ion
4
Question (Clickers)

• At pH 7, which will be the predominant species?
• Phenol
• Phenoxide ion

pKa 10
phenol
phenoxide ion
5
Questions

• Give the IUPAC names for the following amines

6
Questions

• Give the IUPAC names for the following amines

2-butanamine
2-butanamine
N-ethyl-
N-propyl
N-ethyl-N-propyl-2-butanamine
7
Question (Clicker)

• How many stereoisomers does the sugar glucose
  have?
• 2
• 4
• 8
• 16
• 32