Five flasks are labeled (I) through (V) each contains a pure liquid compound of four carbon atoms and a functional group containing an oxygen atom. Their carbon chain is not branched. The mild oxidation of compound (I) by an acidified potassium dichromate solution, gives compounds (III) and (IV) , whereas that of compound (II) gives compound (V).
A) according to the above , can the five compound be identified? Explain.
b) only compound (III) reacts with Schiff's reagent as well as with Fehling's reagent.
c) describe the two experiments.
d) write the equation of the reaction of Fehling's reag

Question

Five flasks are labeled (I) through (V) each contains a pure liquid compound of four carbon atoms and a functional group containing an oxygen atom. Their carbon chain is not branched. The mild oxidation of compound (I) by an acidified potassium dichromate solution, gives compounds (III) and (IV) , whereas that of compound (II) gives compound (V).
A) according to the above , can the five compound be identified? Explain. 
b) only compound (III) reacts with Schiff's reagent as well as with Fehling's reagent. 
c) describe the two experiments.
d) write the equation of the reaction of Fehling's reag