Polymers of Life 1 : Organic Functional Groups & Naming

Question 1

Learn table on organic nomenclature guidelines sheet

Answer 1

Look at sheet

Question 2

What do aromatic compounds contain

Answer 2

Benzene ring = C6 H6 ( hexagon with circle or lines in it )

Question 3

What does the circle in a benzene ring represent

Answer 3

Delocalised electrons

= similar to pi bonds in alkenes

Question 4

What are the rules for naming benzene molecules with two or more substituents present

Answer 4

1. Positions indicated with numbers giving the lowest possible numbers to the substituents
2. Substituents should be listed in alphabetical order

Question 5

When benzene rings are regarded as a substituent on another molecule ( same concept at alkyl groups ) what are they known as

Answer 5

Phenyl group = C6 H5

Question 6

Definition of aliphatic

Answer 6

Straight chain or branched compounds containing just hydrocarbons

Question 7

Definition of alicyclic

Answer 7

Any kind of a cyclic compound eg. cyclopentane

Question 8

Definition of aromatic

Answer 8

Contain a benzene ring in the molecule

Question 9

Definition of skeletal formula

Answer 9

No carbon-hydrogen bonds should be shown ( C-H )

Question 10

Definition of structural formula

Answer 10

Showing each carbon and attached groups

Eg. H3C-CH2-CH3

Question 11

Definition of displayed formula

Answer 11

When draw out every single bond in the molecule including the hydrogens