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NTA Abhyas JEE Main2020ChemistrySolutionsPractice

Which of the following azeotropes is not correctly matched?

Options

  1. AH N O 3 (68%) + H 2 O (32%): Maximum boiling azeotrope, boiling point = 393.5 K
  2. BH 2 O (43%) + HI (57%): Minimum boiling azeotrope, boiling point = 290 K
  3. CC 2 H 5 O H (95.5%) + H 2 O (4.5%): Minimum boiling azeotrope, boiling point = 351.15 K
  4. DChloroform (93.2%) + C 2 H 5 O H (6.8%): Minimum boiling azeotrope, boiling point = 332.3 K

Correct answer

B. H 2 O (43%) + HI (57%): Minimum boiling azeotrope, boiling point = 290 K

Step-by-step solution

H 2 O (43%) and HI (57%) make maximum boiling azeotropic mixture on boiling at 400 K.

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