OChem 1 Nomenclature

Question 1

CH4 name
CH3CH3
CH3CH2CH3
CH3CH2CH2CH3

Answer 1

methane
ethane
propane
butane

Question 2

C5H12
C6H14
C7H16
C8H18
C9H20
C10H22

Answer 2

Pentane
Hexane 
Heptane 
Octane
Nonane
Decane

Question 3

C11H24

C12H26

Answer 3

Undecane

Dodecane

Question 4

Which carbon chain is taken as the backbone?

How is it determined which end is C1?

Answer 4

The longest

The direction in which the lowest set of numbers is obtained for the substituents

Question 5

When naming compounds, how are substituents ordered in the name?

Answer 5

Alphabetically

Question 6

Are prefixes like di, tri,, etc. alphabetized as substituents?

Are cyclo, iso, and neo alphabetized as substituents?

Answer 6

No

Yes

Question 7

How do alkenes end in naming?

Answer 7

-ene

Question 8

When identifying a carbon back bone, how to double bonds factor in?

Answer 8

The longest chain that contains the double bond or the greatest number of double bonds if multiple are present.

Question 9

What is the common name for ethyne?

Answer 9

Acetylene

Question 10

What do vinyl and aryl mean?

Answer 10

Vinyl is a bond directly attached to a double bonded C

Aryl is a bond away from that double bonded carbon

Question 11

What are alkanes with halide substituent groups called?

Answer 11

Haloalkanes

or alkyl halide

Question 12

What can ethyl chloride also be called? Its a haloalkane

Answer 12

Chloroethane

Question 13

What is the ending for alcohols?

Answer 13

-ol

Question 14

Methyl alcohol can also be called

2-propanol can also be called

Answer 14

Methanol

isopropyl alcohol

Question 15

Molecules with two hydroxyl groups are called

What is there suffix

Answer 15

Diols (or glycols)

Diol

Question 16

Diols with hydroxyl groups on adjacent carbons are called

Diols with hydroxyl groups on the same are carbon are

Answer 16

Vicinal

Geminal

Question 17

Geminal diols are also called

Answer 17

Hydrates

Question 18

What is the structure of ethers?

What is the prefix?

Answer 18

–O–

alkoxy

Question 19

Where does numbering begin on the ring for cyclic ethers

What are three membered rings called?

Answer 19

It begins on the oxygen and proceeds to provide the lowest number for the substituents

Oxiranes. OR epoxides!

Question 20

What is the suffix for aldehydes?

Answer 20

-al

Question 21

What is the suffix for ketones

What its prefix in complex molecules

Answer 21

-one

oxo-

Question 22

What is the suffix for carboxylic acids?

Answer 22

-oic

Question 23

For simple compounds, how do you name amines?

What about for complex compounds?

Answer 23

Name the alkane and replace the final e with amine

Use the prefix amino-