Chemistry 9701 · AS & A Level · Hydroxy compounds

Hydroxy compounds — practice question

Alcohol Y forms a yellow precipitate with alkaline aqueous iodine. It may be oxidised to produce a mixture of products, one of which is substance Z. Substance Z produces a red-brown precipitate with Fehling’s solution. Which alcohol might Y be?

  • A$\text{CH}_3\text{CH(OH)CH(CH}_3)\text{CH}_2\text{OH}$
  • B$\text{CH}_3\text{C(OH)(CH}_3)\text{CH}_2\text{CH}_2\text{OH}$
  • C$\text{CH}_3\text{CH(OH)CH}_2\text{CH(OH)CH}_3$
  • D$\text{CH}_2\text{(OH)CH}_2\text{CH(OH)CH}_2\text{CH}_3$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI