PL 4 - Organic Functional Groups

Question 1

What is the structure of a repeat unit of nylon-6,6?

Answer 1

-(-CO-4(CH2)-CO-NH-6(CH2)-NH-)-n

Question 2

What is the structure of a repeat unit of nylon-6,10?

Answer 2

-(-NH-6(CH2)-NH-CO-8(CH2)-CO-)-n

Question 3

What is the structure of a repeat unit of nylon-6?

Answer 3

-(-5(CH2)-CO-NH-)-n

Question 4

What is a primary amide and secondary amide?

Answer 4

Primary: R-CO-NH2
Secondary: R-CO-NH-R

Question 5

What is the general formula for diols, dicarboxylic acids and diamines?

Answer 5

Diol: HO-R-OH
Dicarboxylic acid: HOOC-R-COOH
Diamine: H2N-R-NH2