Chemistry: C1 - Esters

Esters are synthetic smells - used in perfumes and flavourings

ARE MIXTURES OF AN ACID AND AN ALCOHOL

TO MAKE AN ESTER:

• ADD AN ACID TO AN ALCOHOL
• ADD DROP OF SULFURIC ACID [CATALYST] 
• WARM TO 60 DEGREES CELCIUS

GENERIC ESTER EQUATION :

ALCOHOL + ACID  ------>  ESTER + WATER

ESTER NAME ARE A COMBINATION OF THE TWO REACTANTS

THE ALCOHOL NAME FIRST, THEN ACID NAME

FOR EXAMPLE 

ETHANOL + ETHANOIC ACID -----> ETHYL ETHANOATE [+WATER]

AND

METHANOL + ETHANOIC ACID -----> METHYL ETHANOATE [+WATER]

BASED ON THE ABOVE INFORMATION, WHAT WOULD THE ESTERS BELOW BE CALLED?

1) ETHANOL + PROPANOIC ACID ------> 

2) BUTANOL + METHANOIC ACID ------> 

3) HEXANOL + PENTANOIC ACID ------>

ANSWERS

1) Ethanol propanoate + water

2) Butyl methanoate + water

3) Hexyl pentanoate + water