Chemistryhard · Past Paper
Which of the following has the highest value of $K_a$?
AAcetic acid
BHydrofluoric acid
CHydrochloric acid
DFormic acid
✓ Correct Answer: C — Hydrochloric acid
Strong acids like HCl have essentially infinite $K_a$ values compared to weak acids.
Share this question
More from Chemistry
- What is the effect of increasing the concentration of $H^+$ ions on pH?
- Which of the following is a natural indicator?
- The sharp pain of an ant bite is neutralized by rubbing:
- What is the pH of a solution where the hydrogen ion concentration is $2 \times 10^{-5}$ M? (Given $log 2 = 0.3$)
- In the Kolbe's electrolysis of sodium acetate, which gas is evolved at the anode?