11.3 Representing The Formulae Of Organic Compounds

Question 1

What does molecular formula show?

Answer 1

The number and types of atoms of each element present in a molecule

Question 2

What does empirical formula show?

Answer 2

The simplest whole number ratio of the atoms of each element present in a compound

Question 3

What is the general formula?

Answer 3

The simplest algebraic formula for any member of a homologous series

Question 4

What is the general formula for alkanes?

Answer 4

C(n)H(2n+2)

Question 5

What is the general formula for alkenes?

Answer 5

C(n)H(2n)

Question 6

What is the general formula for alcohols?

Answer 6

C(n)H(2n+1)OH

Question 7

What is the general formula for carboxylic acids?

Answer 7

C(n)H(2n)O(2)

Question 8

What is the general formula for ketones?

Answer 8

C(n)H(2n)O

Question 9

What does displayed formula show?

Answer 9

The relative positioning of all of the atoms in a molecule and the bonds between them (drawing)

Question 10

What does structural formula do?

Answer 10

Uses the smallest amunt of detail necessary to show the arrangement of atoms in a molecule (written) (eg CH3CH2CH2CH3)

Question 11

What is skeletal formula?

Answer 11

Simplified organic formula, where the end of each line represents a carbon atom.