Basics

Question 1

General formula alkanes

Answer 1

CnH2n+2

Question 2

General formula alkenes

Answer 2

CnH2n

Question 3

General formula of alcohols

Answer 3

CnH2n+1OH

Question 4

General formula of aldehydes

Answer 4

CnH2nO

Question 5

General formula Keytones

Answer 5

CnH2nO

Question 6

General formula of carboxylic acids

Answer 6

CnH2nO2

Question 7

General formula cycloalkanes

Answer 7

CnH2n

Question 8

Molecular formula

Answer 8

The actual number of atoms in an element or molecule

Question 9

Emperical formula

Answer 9

The simplest ratio of atoms in a compound

Question 10

Structural formula

Answer 10

CH3CH2CH2CH2OH

Question 11

Skeletal formula

Answer 11

Lines represent C with H.
Draw on any of the rest (eg OH)

Question 12

Displayed formula

Answer 12

Every bond is shown in the drawing

Question 13

Hermologous series

Answer 13

The homologous series of a group of compounds have the same functional group and general formula

Question 14

Explain why different alkanes in crude oil can be separated by fractional distillation.

Answer 14

Because they require different temperatures to break the bonds and have different boiling temperatures, as the chains have different lengths.