Esters

Question 1

What is the functional group of an ester?

Answer 1

-COO-

Question 2

What is the formula to form esters?

Answer 2

Alcohol + Carboxylic Acid → Ester + Water

Question 3

Describe the experiment to make Esters in a lab

Answer 3

1) Add few drops concentrated sulfuric acid to a boiiling tube using a dropping pipette
2) Add 10 drops ethanoic acid
3) Add equal volume of ethanol
4) Place boiling tube in beaker of water on tripod
5) Heat using Bunsen Burner until water boils, then turn off bunes
6) After 1 minute remove the tube and allow it to cool
7) One cool, pour mixture in test tube of sodium carbonate solution and mix, a layer of ester should form at top of solution.

Question 4

What do esters smell like?

Answer 4

sweet and fruity

Question 5

What are esters used in?

Answer 5

Perfumes and food flavouring