Molecule Molecular Expanded Structural Condensed Structural Formula Formula Formula

Alkane:

methane, CH4

CH4

H |

H-C-H |

H

CH4

Alkane:

ethane, C2H6

Alkane:

propane, C3H8

C3H8

CH3-CH2-CH3

Alkane:

butane, C4H10

Alkane:

2-methylpropane (isobutane), C4H10

Alkene:

ethene (ethylene), C2H4

Alkene:

propene (propylene), C3H6

Alkyne:

ethyne (acetylene), C2H2

7

2

Molecule Molecular Expanded Structural Condensed Structural Formula Formula Formula

Alkyne:

propyne (methyl acetylene), C3H4

Aromatic Hydrocarbon: benzene, C6H6

Organic Halide:

carbon tetrachloride, CCl4

Alcohol:

methanol, CH3OH

Alcohol:

ethanol,

C2H5OH

Alcohol:

1-propanol, C3H7OH

Phenol:

phenol, C6H5OH

Ether:

dimethyl ether, CH3OCH3

8

3

Molecule Molecular Expanded Structural Condensed Structural Formula Formula Formula

Aldehyde:

methanal

(formaldehyde), HCHO

Ketone:

propanone

(acetone), CH3COCH3

Carboxylic Acid:

ethanoic acid

(acetic acid), CH3COOH

Ester:

methyl formate, HCOOCH3

Amide:

methanamide

(formamide), HCONH2

Amine:

methyl amine,

CH3NH2

6

4

2

2

3

Data Table 2: Identification of Classes of Compounds of Unknowns

Unknown

Structural Formula

(Functional Group Circled)

Class of Compound

1

2

3