Memorization tasks Ochem1

pKa for CH3 → CH4

-50

pKa for CH3 ← CH4

+50

pKa to add an H to a strong acid

-0

pKa to remove an H from a strong acid

+0

pKa for H → H2

-40

pKa for H ← H2

+40

pKa for NR2 → NR2H

-35

pKa for NR2 ← NR2H

+35

pKa for RO → ROH

-16

pKa for RO ← ROH

+16

pKa for R3N → R3NH

-9

pKa for R3N ← R3NH

+9

pKa for F → FH

-3

pKa for F ← FH

+3

pKa for Cl → HCl

-0

pKa for Cl ← HCl

+0

pKa for COOH → COO-

+5

pKa for COOH ← COO-

-5

pKa for RCCH → RCC-

+25

pKa for RCCH ← RCC-

-25

pKa for C6H5OH → C6H5O-

+10

pKa for C6H5OH ← C6H5O-

-10

1 is

meth

2 is

eth

3 is

prop

4 is

but

5 is

pent

6 is

hex

7 is

hept

8 is

oct

9 is

non

10 is

dec

-CH3 is

methyl

-CH2CH3 is

ethyl

-CH2CH2CH3 is

propyl

this is

isopropyl (i-Pr)

-CH2CH2CH2CH3 is

butyl

this is

isobutyl

this is

secbutyl

This is

tertbutyl

-CH2CH2CH2CH2CH3 is

pentyl