A-LevelChemistryCarbonyl compoundsMay/June 2013Paper 1 Q391 Mark
The Mᵣ of compound X is 72. The composition by mass of X is 66.7% carbon, 11.1% hydrogen and 22.2% oxygen. X gives an orange precipitate with 2,4-dinitrophenylhydrazine reagent. X does not react with Fehling's reagent. What can be deduced from this information? 1 X is a carbonyl compound. 2 X is a ketone. 3 X is butanone.
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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The correct answer is A. This question tests the candidate's understanding of carbonyl compounds within the Chemistrysyllabus. The examiner's mark scheme requires...
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