Igcse Model Questions Vol1 2019 Chemistry Question 14
Practice objective / multiple choice question 14 from the 2019 Igcse Model Questions Vol1 Chemistry examination.
A 5.00 g sample of an unknown volatile alcohol is dissolved in 100.0 g of water containing 0.500 g of glucose (a non‑volatile solute). The boiling point of the solution is 100.56 °C. Given the boiling‑point elevation constant of water \(K_b = 0.512 °C·kg·mol^{-1}\), determine the molar mass of the alcohol and identify it from the list: methanol (32.0 g mol⁻¹), ethanol (46.1 g mol⁻¹), propan‑1‑ol (60.1 g mol⁻¹), butanol (74.1 g mol⁻¹).
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This is Igcse Model Questions Vol1 2019 Chemistry Question 14. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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