Basic Orgo Chem Nomenclature

Question 1

1 C in the chain

Answer 1

Methane

Question 2

2 C in the chain

Answer 2

Ethane

Question 3

3 C in the chain

Answer 3

Propane

Question 4

4 C in the chain

Answer 4

Butane

Question 5

5 C in the chain

Answer 5

Pentane

Question 6

6 C in the chain

Answer 6

Hexane

Question 7

7 C in the chain

Answer 7

Heptane

Question 8

8 C in the chain

Answer 8

Octane

Question 9

9 C in the chain

Answer 9

Nonane

Question 10

10 C in the chain

Answer 10

Decane

Question 11

If the C chain is part of the substitutent

Answer 11

Name using number root + yl (ex. Propane —> propyl, decane —>decyl )

Question 12

Isopropyl

Answer 12

R group with a fish tail

*Iso counts for alphabetizing

Question 13

Secondary butyl (sec-butyl)

Answer 13

R group with a fish tail + there’s another methane on the left tail
*Sec does not count for alphabetizing

Question 14

Tertiary butyl (tertiary-butyl)

Answer 14

R group with a chicken foot

*Tert does not count for alphabetizing

Question 15

Isobutyl

Answer 15

R group with a crooked fish tail to the left side

*Iso counts for alphabetizing

Question 16

Vinyl

Answer 16

R group with an ice hockey pointing to the left

Question 17

Allyl

Answer 17

R group with a bend-down & elongated ice hockey to the left

Question 18

Common substitutents

Answer 18

• Isopropyl
• Secondary butyl
• Tertiary butyl
• Isobutyl
• Vinyl
• Allyl