Esters...(fucking shit)

Question 1

Where are esters used?

Answer 1

-Perfume, Flavouring, solvents, nail polish remover

Question 2

What are the 3 methods to make an ester?

Answer 2

-COOH + alcohol
-Acid anhydride + alcohol
-Acyl chloride (COCl) + alcohol

Question 3

What molecules lost when COOH + Alcohol happens?

Answer 3

H20

Question 4

What are the conditions for COOH + Alcohol?

Answer 4

-HUR
-H2SO4

Question 5

Is it possible to make an ester from a phenol and COOH?

Answer 5

No

Question 6

Draw Ethanoic anhydride.

Answer 6

-O atom in the centre
-carbon molecule bonded to each side
-Each carbon atom is bonded to original Oxygen but has a double bond O
-Last bond is a CH3 connected to the main Carbon

Question 7

How do you make an acid anhydride?

Answer 7

Two COOHs

Question 8

When making an acid anhydride, what other molecule is made?

Answer 8

Water

Question 9

Write molecular formula of acid anhydride.

Answer 9

(CH3CO)2O

Question 10

What other molecule is made when you mix acid anhydride and alcohol?

Answer 10

-Ester
-COOH

Question 11

What are the conditions for acid anhydride + alcohol?

Answer 11

-Gently warm

Question 12

Can phenol and Acid anhydride be reacted?

Answer 12

Yes

Question 13

What is Acyl chloride functional group?

Answer 13

COCl

Question 14

What is the reaction when acyl chloride + alcohol?

Answer 14

Ester + HCl

Question 15

Does acyl chloride + Phenol work?

Answer 15

Yes