27.2 amino acids, amide and chirality Flashcards
1
Q
draw an alpha- amine acid
A
page 478
2
Q
which group in the amino acid is acidic?
A
COOH
3
Q
which group in the amino acid is basic?
A
NH2
4
Q
draw the reaction between an amino acid and HCl
A
page 478
5
Q
draw the reaction between an amino acid and NaOH
A
page 478
6
Q
what conditions and reagents are needed in esterification using amino acids?
A
C2H5OH
sulfuric acid
7
Q
draw a primary amide
A
page 480
8
Q
draw a secondary amide
A
page 480
9
Q
draw a tertiary amide
A
page 480
10
Q
what is a chiral carbon?
A
carbon atom that is attached to 4 different atoms or groups of atoms
11
Q
what are optical isomers also called?
A
enantiomers
12
Q
what is an optical isomer?
A
same structural formula but a different arrangement of atoms in space
13
Q
when do molecules have optical isomerism?
A
when molecules have chiral centres
