1.1. This question is about alcohols.

i) State two methods used to produce ethanol.

[2]

Method 1: ..........................................................

Method 2: .........................................................

ii) Write an equation for each method.

[2]

Method 1: ...............................................................................................

Method 2: ...............................................................................................

1.2. The table gives some information about the two methods.

i) Complete the missing information.

[3]

ii) State the catalysts used in each method and explain one advantage of each.

[4]

1.3. One of the methods takes place in anaerobic conditions.

State the meaning of anaerobic and explain why it is necessary.