1.1. Ethanoic acid is the acid found in vinegar.

Figure 1 shows the dot and cross structure of ethanoic acid.

Figure 1

State what each dot and cross represents.

1.2. Complete Figure 2 to show the structure of an ethanoic acid molecule.

Use a single line to show each bond.

Figure 2

1.3. Determine the empirical formula of ethanoic acid.

1.4. The boiling point of ethanoic acid is 118°C.

The boiling point of water is 100°C.

Use your knowledge of bonding to suggest a reason for the difference.