A-LevelChemistryCarboxylic acids and derivatives9701/12 · Oct/Nov 2013 · Q261 Mark

How many moles of hydrogen, H2, are evolved when an excess of sodium metal is added to one mole of citric acid? [Structure of citric acid: CO2H-C(OH)(CH2CO2H)-CH2CO2H]

✓ Correct answer

B: 2

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Topic: Carboxylic acids and derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 2, question 26.

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