A-LevelChemistryCarbonyl compounds9701/12 · Feb/Mar 2017 · Q291 Mark
Compound X, CH₃CH(OH)CH(CHO)CH₃, is heated under reflux with an excess of acidified K₂Cr₂O₇ to form compound Y. Both X and Y are separately warmed with Fehling's solution and the observations noted. What are the observations?
ABoth X and Y give a red precipitate.
BOnly X gives a red precipitate.
COnly Y gives a red precipitate.
DNeither X nor Y gives a red precipitate.
✓ Correct answer
B: Only X gives a red precipitate.
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