Answer:
Chords with a dominant function: dominant chords (seventh, ninth, and dominant ninth) and leading-tone chords (diminished, half-diminished seventh, and diminished seventh). The triad built on the dominant note is called the dominant chord.
Explanation:
Here's an example
[An example is the dominant seventh chord built on G, written as G 7, having pitches G–B–D–F: Dominant seventh chords contain a strong dissonance, a tritone between the chord's third and seventh. Dominant seventh chords are often built on the fifth scale degree (or dominant) of a key.]
