Chemistry 9701 · AS & A Level · Carbonyl compounds

Carbonyl compounds — practice question

The $M_r$ value for compound X is $72$. By mass, X contains $66.7\%$ 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. From this information, what can be inferred?

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

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