Pkas

Question 1

What is the pka range of an alkane?

Answer 1

50+

Question 2

What is the pka range of an alkene?

Answer 2

42-46

Question 3

What is the pka range of an alkyne?

Answer 3

22-26

Question 4

What is the pka range of an ketone?

Answer 4

18-20

Question 5

What is the pka range of an amine?

Answer 5

38-42

Question 6

What is the pka range of an alcohol?

Answer 6

16-18

Question 7

What is the pka range of phenol (C6H5OH)?

Answer 7

9-11

Question 8

What is the pka range of ammonium?

Answer 8

9-11

Question 9

What is the pka of CH3CO2-H?

Answer 9

4.76

Question 10

What is the pka range of carboxylic acid?

Answer 10

4-5

Question 11

What is the pka of hydronium?

Answer 11

-1.74

Question 12

What is the pka of protenated oxygen, alcohol, ketone, aldehyde, ester?

Answer 12

-2ish

Question 13

What is the pka of H-Cl?

Answer 13

-7

Question 14

What is the pka of H-I?

Answer 14

-9

Question 15

What is the pka of H2SO4?

Answer 15

-10

Question 16

What is the general trend when determining the acidity of a compound using pkas?

Answer 16

A larger pka denotes a weaker acid, which will form a stronger conjugate base. A smaller pka denotes a stronger acid, which will form a weaker conjugate base.