Pure water boils at 373 K and nitric acid at 359 K. The azeotropic mixture of water and nitric acid — Solutions and Colligative Properties Chemistry Question
Question
Pure water boils at 373 K and nitric acid at 359 K. The azeotropic mixture of water and nitric acid boils at 393.5 K. On distillation of the azeotropic mixture,
Answer: D
💡 Solution & Explanation
An azeotropic mixture boils at a constant temperature and its liquid and vapour phases have the exact same composition, so both components distil over together without separation. Therefore, correct answer is D.
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