Conjugate Acids + Bases

Front

What is a conjugate acid?

Back

A conjugate acid is the species formed when a base gains a proton (H+).

Front

What is a conjugate base?

Back

A conjugate base is the species that remains after an acid donates a proton (H+).

Front

In the reaction H₂SO₄ + H₂O ↔ H₃O⁺ + HSO₄^-1, what is the conjugate acid?

Back

H₃O⁺.

Front

Which of the following is the conjugate acid of HCO₃^-1?

Back

H₂CO₃.

Front

In the reaction HCl + H₂O → H₃O⁺ + Cl^-, what is the conjugate acid?

Back

H₃O⁺.

Front

What is the strongest conjugate base among NH₄⁺ and H₂SO₄?

Back

NH₄⁺.

Front

What is the Bronsted-Lowry definition of an acid?

Back

A Bronsted-Lowry acid is a substance that donates a proton (H+) in a chemical reaction.

Front

What is the Bronsted-Lowry definition of a base?

Back

A Bronsted-Lowry base is a substance that accepts a proton (H+) in a chemical reaction.

Front

What happens to a conjugate acid when it donates a proton?

Back

It becomes its conjugate base.

Front

What is the relationship between conjugate acids and bases?

Back

Conjugate acids and bases are pairs that differ by one proton (H+).