On heating compound X with $\text{Cr}_2\text{O}_7^{2-}/\text{H}^+$, the solution changes from orange to green. The organic product from this reaction is then tested in two ways. Tollens’ reagent: no visible change 2,4-dinitrophenylhydrazine: orange precipitate forms What could compound X be?
Chemistry 9701 · AS & A Level · Electrochemistry