Problem: Which of the following is the strongest acid?A. HF                             Ka = 6.8 × 10–4B. HClO                         Ka = 3.0 × 10–8C. HNO2                        Ka = 4.5 × 10–4D. HCN                          Ka = 4.9 × 10–10E. CH3OOH                   Ka = 1.8 × 10–5

FREE Expert Solution

We’re being asked to identify which among the given acids is the strongest acid.


Strong acids are considered strong electrolytes. They completely dissociate into ions when dissolved in water. 

Ka represents the acid dissociation constant and it measures the strength of weak acids.

View Complete Written Solution
Problem Details

Which of the following is the strongest acid?

A. HF                             Ka = 6.8 × 10–4

B. HClO                         Ka = 3.0 × 10–8

C. HNO2                        Ka = 4.5 × 10–4

D. HCN                          Ka = 4.9 × 10–10

E. CH3OOH                   Ka = 1.8 × 10–5

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Ka and Kb concept. You can view video lessons to learn Ka and Kb. Or if you need more Ka and Kb practice, you can also practice Ka and Kb practice problems.