Multiple choice

Which of the following is an aromatic aldehyde?

  1. Furan

  2. Furfural

  3. Furfuryl alcohol

  4. Furfurylamine

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Furfural is an aromatic aldehyde. Its chemical formula is OC4H3CHO. It is a colourless oily liquid with the odour of almonds, but upon exposure to air, samples quickly becomes yellow.