Q. Which of the following acids is the strongest?
✅ Correct Answer: (A)
HCl
Explanation: Among the given acids, HCl is a strong monoprotic acid that completely dissociates in water. While H2SO4 is also strong, only the first ionization is complete. HNO3 is strong but slightly less so than HCl, and H3PO4 is a weak acid.
Explanation by: Sikhar Chaudhary
Among the given acids, HCl is a strong monoprotic acid that completely dissociates in water. While H2SO4 is also strong, only the first ionization is complete. HNO3 is strong but slightly less so than HCl, and H3PO4 is a weak acid.