Chemistry · Oct / Nov 2016 · Paper 12 · Question 12
5070The mole and the Avogadro constant
In an experiment, 1 cm³ of a gaseous hydrocarbon, Z, requires 4 cm³ of oxygen for complete combustion to give 3 cm³ of carbon dioxide. All gas volumes are measured at r.t.p. Which formula represents Z?
- AC₂H₂
- BC₂H₄
- CC₃H₄
- DC₃H₈
As printed in the paper
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Correct answer: C. C₃H₄
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