Waec Model Questions Vol1 2021 Chemistry Question 11
Practice objective / multiple choice question 11 from the 2021 Waec Model Questions Vol1 Chemistry examination.
A 2.00 g sample of an unknown straight‑chain alkane is burnt completely in excess oxygen. The combustion yields 6.12 g of carbon dioxide and 3.00 g of water. (a) Determine the empirical formula of the alkane. (b) Given that the molar mass of the alkane is 72 g·mol⁻¹, deduce its molecular formula and write its IUPAC name.
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This is Waec Model Questions Vol1 2021 Chemistry Question 11. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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