Question Detail

CHM 102 Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis Objective Question
Take CBT

Question

What is the pKb of ammonia?
Options
A 3.4
B 4.74
Correct Answer
C 9.2
D 15.7
Correct Answer

Option B is the correct answer.

Detailed Explanation

Ammonia has pKb = 4.74 (Kb = 1.8 × 10^{-5}). Aliphatic amines have lower pKb (stronger bases); aromatic amines have higher pKb (weaker bases).

Hint

Reference value for base strength.

Question Info

Course: CHM 102
Topic: Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis
Type: Objective
Difficulty: Not specified
Question 276 of 1999
Previous Course Details Next