Liquid-Liquid Extraction

Question 1

What is the structure of acetanilide?

Answer 1

CH3-C(=0)-NH-Benzene

Question 2

What is the structure of P-Toluic Acid?

Answer 2

COOH-Benzene-CH3

Question 3

What is the structure of P-tert butyl phenol?

Answer 3

OH-Benzene-C(CH3)3

Question 4

What is the structure of methyl t-butyl ether (MTBE)?

Answer 4

CH3-O-C(CH3)3

Question 5

What are the acid-base reactions we will use with the compounds being separated?

Answer 5

p-toluic acid or p-tert butyl phenol + NaBase -> conjugate base ions

Extracts containing conjugate base ions + HCl -> original compounds

Question 6

What are the three compounds we will be extracting?

Answer 6

Acetanilide, P-Toluic Acid, P-Tert Butyl Phenol

Question 7

What is our organic layer? (whatever that means)

Answer 7

Methyl t-butyl ether (MTBE)

Question 8

What will we be using to convert certain extracts back into acid form?

Answer 8

3M HCL

Question 9

What are we using to extract P-tert butyl phenol?

Answer 9

.5M NaOH

Question 10

What are we using to extract P-toluic?

Answer 10

.5 M NaHCO3