Alcohols, carboxylic acids and esters

Question 1

The ethanoic acid is produced from a reaction between ethanol and ____.
This type of reaction is ____. [2]

Answer 1

• oxygen

- oxidation

Question 2

Suggest two ways that the apparatus could be improved to obtain accurate results. [2]

Answer 2

• lid
• metal calorimeter
• insulation (around sides of beaker)

Question 3

Carboxylic acids react with alcohols in the presence of an ____ catalyst to produce pleasant-smelling compounds called ____. [2]

Answer 3

• acid

- esters

Question 4

Describe a change that would be seen in:

• test tube 1 (ethanoic acid with calcium carbonate)
• test tube 2 (limewater)

Answer 4

test tube 1 will:

• fizz / produce effervescence…
• …because carbon dioxide gets produced

test tube 2 will:

• turn cloudy / white…
• …because calcium carbonate forms