What is the name of the compound?
1.
2.
3.
4.
5.
2-Methyl-3-ethylpentane
3-Methyl-2-ethylpentane
3-Ethyl-2-methylpentane
2-Ethyl-3-methylpentane
1-Methyl-2-ethylpentane
What is the name of the compound?
1.
2.
3.
4.
5.
2-Methyl-3-ethylpentane
3-Methyl-2-ethylpentane
3-Ethyl-2-methylpentane
2-Ethyl-3-methylpentane
1-Methyl-2-ethylpentane
What functional group is highlighted in the
molecule below?
1.
2.
3.
4.
5.
Ester
Carboxylic acid
Ketone
Amine
Amide
What functional group is highlighted in the
molecule below?
1.
2.
3.
4.
5.
Ester
Carboxylic acid
Ketone
Amine
Amide
What functional group is highlighted
in the molecule?
1.
2.
3.
4.
5.
Carboxylic acid
Ketone
Aldehyde
Ester
Ether
What functional group is highlighted
in the molecule?
1.
2.
3.
4.
5.
Carboxylic acid
Ketone
Aldehyde
Ester
Ether
A molecule containing four carbons
and a single alkyne would have the
molecular formula ___________.
1.
2.
3.
4.
C4H4
C4H6
C4H8
C4H10
CC
Correct Answer:
1.
2.
3.
4.
C4H4
C4H6
C4H8
C4H10
There are two
isomers of fourcarbon alkynes
(shown here), and
each contains six H
atoms.
CH3
H
C
C
CH2
1-butyne
H3C
C
C
2-butyne
CH3
The correct IUPAC name of the
compound drawn below is _________.
1. 2-Methyl-3,4diethylhexane
2. 3,4-Diethyl-2methylhexane
3. 3,4-Diethyl-5methylhexane
H3 C
H2 C
CH2
CH3
CH
CH2
CH
CH3
CH
H 3C
H 3C
Correct Answer:
1. 2-Methyl-3,4diethylhexane
2. 3,4-Diethyl-2methylhexane
3. 3,4-Diethyl-5methylhexane
6
H3 C
CH2
4 CH
H2 C
H 3C
5
CH2
CH 3
2 CH
CH3
1
The explanation is given
on the following slide.
CH3
H 3C
Correct Answer:
6
The longest hydrocarbon
chain (outlined in red)
has six carbons. The
first numbered C is that
closest to a substituent,
so methyl is at C2 and
ethyl at C3 and C4.
Alphabetically, ethyl is
before methyl.
H3 C
CH2
4 CH
H2 C
H 3C
5
CH3
CH2
CH 3
2 CH
CH3
1
H 3C