Compound X has an $M_r$ of 72. Its percentage composition by mass is 66.7% carbon, 11.1% hydrogen and 22.2% oxygen. X produces an orange precipitate with 2,4-dinitrophenylhydrazine reagent. X shows no reaction with Fehling’s reagent. What may be concluded from these data?
- A1, 2 and 3 are correct
- B1 and 2 only are correct
- C2 and 3 only are correct
- D1 only is correct