lecture 5

Question 1

saturated functional groups?

Answer 1

1. alkyl halides: R-X (X=F,Cl, Br or I)
2. alcohols: R-OH
3. ETHERS: R-O-R
4. amines: NR3

Question 2

unsaturated functional groups?

Answer 2

1. aldehydes and ketones
2. carboxylic acidsand esters
3. amides
4. nitriles

Question 3

how to calculate total unsaturations?

Answer 3

total unsaturations = ring number + pi-bond number

Question 4

what does vibration intensity depend on?

Answer 4

depends on dipole strength and quantity of bonds

Question 5

what does vibration frequency depend on?

Answer 5

depends on mass of atoms and bond strength