Which of the following is the strongest base?
A) (i)
B) (ii)
C) (iii)
D) none of these are bases

Question

Which of the following is the strongest base? 
A) (i) 
B) (ii) 
C) (iii) 
D) none of these are bases

Quizplus · Accepted Answer

The strongest base is the one that can accept a proton most readily, which is indicated by a higher value of pKb. Among the given choices, (ii) has the highest pKb value of 4.74, indicating that it is the strongest base. (i) has a pKb value of 5.56, and (iii) does not have a pKb value as it is not a base. Therefore, the correct answer is B.

Which of the Following Is the Strongest Base