Strong and Weak Acids

Which of the following is a strong acid?

• HCl

• HC₂H₃O₂

• HCN

• HF

Select the strong acids.

• HF

• HCl

• HBr

• HI

Select the weak acid.

• HNO₃

• HNO₂

• HCl

• HI

A weak acid always has a K_a value.

• True

• False

A strong acid sometimes has a K_a value.

• True

• False

Select the strong acids.

• HNO₃

• H₂SO₄

• HClO₄

• HClO₂