A-LevelChemistryCarboxylic acids and derivatives9701/12 · Oct/Nov 2012 · Q301 Mark

Compound X, C6H12O, is oxidised by acidified sodium dichromate(VI) to compound Y. Compound Y reacts with ethanol in the presence of a little concentrated sulfuric acid to give liquid Z. What is the formula of Z?

ACH3(CH2)4COCH2CH3

BCH3(CH2)4CO2CH2CH3

CCH3CH2CO2(CH2)4CH3

DCH3CO2(CH2)5CH3

✓ Correct answer

B: CH3(CH2)4CO2CH2CH3

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Topic: Carboxylic acids and derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2012 Paper 1 Variant 2, question 30.

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