Gce Model Questions Vol1 2025 Chemistry Question 44
Practice objective / multiple choice question 44 from the 2025 Gce Model Questions Vol1 Chemistry examination.
A sample of \(10.0\ \text{g}\) of 2‑butanol (\(\text{C}_4\text{H}_{10}\text{O}\), \(M = 74.12\ \text{g mol}^{-1}\)) is completely oxidised to butanone (\(\text{C}_4\text{H}_8\text{O}\), \(M = 72.11\ \text{g mol}^{-1}\)). The butanone is then dissolved in \(250\ \text{g}\) of water. Assuming the solution behaves ideally and the boiling‑point elevation constant of water is \(K_b = 0.512\ ^\circ\text{C kg mol}^{-1}\), calculate the boiling point of the solution (in \(^\circ\text{C}\)) to two decimal places.
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This is Gce Model Questions Vol1 2025 Chemistry Question 44. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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