CHEM 237 pKa Table (Exam I)

The 15 compounds from the course pKa table (Functional Groups and pkas Worksheet Answers, page 1, CHEM 237 Canvas). Front: the structure with the acidic H circled. Back: the name and approximate pKa.

name this compound and its pKa (#01)

amine / pKa ~35 / acidic H: the N-H

name this compound and its pKa (#02)

sulfuric acid (H2SO4) / pKa ~-10

name this compound and its pKa (#03)

phenol / pKa ~10 / acidic H: the O-H on the benzene ring

name this compound and its pKa (#04)

ammonium / pKa ~10 / acidic H: the N-H on the + nitrogen

name this compound and its pKa (#05)

alkane / pKa ~50 / acidic H: a C-H on an sp3 carbon

name this compound and its pKa (#06)

alcohol / pKa ~15 / acidic H: the O-H

name this compound and its pKa (#07)

alkyne / pKa ~25 / acidic H: the C-H on the triple bond (sp)

name this compound and its pKa (#08)

hydronium / pKa ~0 / acidic H: the O-H on the + oxygen

name this compound and its pKa (#09)

hydrochloric acid (HCl) / pKa ~-5

name this compound and its pKa (#10)

ester / pKa ~25 / acidic H: the alpha H (the C-H next to the C=O)

name this compound and its pKa (#11)

carboxylic acid / pKa ~5 / acidic H: the O-H of the COOH

name this compound and its pKa (#12)

thiol / pKa ~10 / acidic H: the S-H

name this compound and its pKa (#13)

ketone / pKa ~20 / acidic H: the alpha H (the C-H next to the C=O)

name this compound and its pKa (#14)

alkene / pKa ~45 / acidic H: the C-H on a C=C carbon (sp2)

name this compound and its pKa (#15)

1,2-diketone (the course table's name) / pKa ~10 / acidic H: the C-H between the two C=O