Esters Flashcards
What are the rules for naming an ester?
1) oic acid becomes the onate part
2) Alcohol becomes -yl part
3) oate side is the carbon with 2 oxygen
4) yl side is the carbon with 1 oxygen
Name the molecule ~~~O ~~~~H~~H ~~~ II ~~~~ I ~~ I H - C - O - C - C - H ~~~~~~~~~ I ~~ I ~~~~~~~~~H ~ H
Ignore ~ lines
Ethyl methanoate
methanoic acid + ethanol
Name the molecule ~~ H ~O ~~~~ H ~~~ I ~ II ~~~~~ I H - C - C - O - C - H ~~~ I ~~~~~~~~ I ~~~ H ~~~~~~~ H
Ignore ~ lines
Methyl ethanoate
ethanoic acid + methanol
Name the ester formed when
Methanol + butanoic acid
Methyl butanoate
Name the ester formed when
Ethanol + butanoic acid
Ethyl butanoate
Name the ester formed when
Propanol + butanoic acid
Propyl butanoate
Name the ester formed when
Pentanol + butanoic acid
Pentyl butanoate
Name the ester formed when
Methanol + propanoic acid
Methyl propanoate
Name the ester formed when
Methanol + ethanoic acid
Methyl ethanoate
What conditions are required for making esters?
- Warm temperatures
- Acid catalyst
What are the uses of esters?
- Fragrances
- Flavourings
- Glues
- Solvents for synthesis
What two molecules make the compound below? ~~~H ~H ~O ~~~~ H~H ~~~ I ~ I ~ II ~~~~~ I ~ I H - C - C - C - O - C - C - H ~~~ I ~ I ~~~~~~~~ I ~~I ~~~H~H ~~~~~~~ H~ H
Ignore ~ lines
Ethanol + propanoic acid
What two molecules are needed to form an ester?
Alcohol + carboxylic acid
