A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2022 · Q311 Mark

A sample of 2.30 g of ethanol is mixed with an excess of aqueous acidified potassium dichromate(VI). The reaction mixture is boiled under reflux for one hour. The required organic product is then collected by distillation. The yield of product is 60.0%. Which mass of product is collected?

A1.32 g

B1.38 g

C1.80 g

D3.00 g

✓ Correct answer

C: 1.80 g

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Topic: Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2022 Paper 1 Variant 2, question 31.

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