Use Of The A And An Questions Medium
The rule for using "A" or "An" before words starting with a silent "q" is to use "An." This is because the pronunciation of the word determines whether to use "A" or "An," not the spelling. Since the "q" is silent and the word begins with a vowel sound, "An" is used. For example, we say "an hour" because the "h" in "hour" is silent, and the word is pronounced with a vowel sound.