Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

In which of these reactions is a coloured organic product formed? 1 ethanal + $2,4$-dinitrophenylhydrazine reagent 2 ethanol + acidified potassium dichromate(VI) 3 ethene + cold dilute acidified potassium manganate(VII)

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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