Question

Which of the following statement is correct about the basic strength on the basis of given data?

The correct pK_a order is -

• A. a > b < c
• B. b > c > e
• C. a > e > b > c
• D. d > a > e < c

Answer 1

Answer: (C)

a > e > b > c

Answer 2

pK_a values are

a = 7.4 c = 4.9 e = 6.8

b = 5.2 d = 0.79