Ionic Equilibrium Question 5
Question 5 - 25 January - Shift 2
Match List I with List II
| List I (Amines) mathongo |
List II $(pK_b)$ |
||
|---|---|---|---|
| A. | Aniline | I. | 3.25 |
| B. | Ethanamine | II. | 3.00 |
| C. | N-Ethylethanamine | III. | 9.38 |
| D. | N, N-Diethylethanamine | IV. | 3.29 |
Choose the correct answer from the options given below :-
(1) A-I, B-IV, C-II, D-III
(2) A-III, B-II, C-I, D-IV
(3) A-III, B-II, C-IV, D-I
(4) A-III, B-IV, C-II, D-I
Show Answer
Answer: (4)
Solution:
Formula: Calculation of $pK_a$
(B) Ethanamine
(C) N-Ethylethanamine
Basic Strength $\alpha \frac{1}{pK_b}$
Order for $pK_b: A>B>D>C$
