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easyMCQNEET 20192026Chemistry
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The mixture that forms maximum boiling azeotrope is:

  1. A
    Water + Nitric acid
  2. B
    Ethanol + Water
  3. C
    Acetone + Carbon disulphide
  4. D
    Heptane + Octane

Solution & Step-by-step Explanation

Maximum boiling azeotropes are formed by solutions showing large negative deviations from Raoult's law (e.g., strong H-bonding between components). Water + Nitric acid is a classic example.
Minimum boiling azeotropes show positive deviation (e.g., Ethanol + Water).

Heptane + Octane is nearly ideal.

Practice this question

Try it yourself before checking the explanation above.

The mixture that forms maximum boiling azeotrope is:
A
Water + Nitric acid
B
Ethanol + Water
C
Acetone + Carbon disulphide
D
Heptane + Octane

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