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Positive or negative deviation from Raoult's law for a given mixture

This type of question, asked 4 times: 27 Jan 2024, 31 Jan 2024, 23 Jan 2026 S1, 8 Apr 2026 S2. All 4 questions below, oldest first.

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  1. Question 1

    27 Jan 2024

    37
    A solution of two miscible liquids showing negative deviation from Raoult's law will have:

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  2. Question 2

    31 Jan 2024

    33
    Identify the mixture that shows positive deviations from Raoult's Law

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  3. Question 3

    23 Jan 2026 S1

    27
    Which one of the following graphs accurately represents the plot of partial pressure of CS2CS_{2} vs its mole fraction in a mixture of acetone and CS2CS_{2} at constant temperature?

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  4. Question 4

    8 Apr 2026 S2

    27
    Given below are two statements : Given : Molar mass of C,H,O,ClC,H,O,Cl are 12,1,1612,1,16 and 35.5 g mol−135.5\text{ }g{\text{ }mol}^{- 1}, respectively. Statement I : In 30%(w/w)30\%(w/w) solution of methanol in CCl4{CCl}_{4} (at T K ), the mole fraction of CCl4{CCl}_{4} is equal to 0.33 . Statement II : Mixture of methanol and CCl4{CCl}_{4} shows positive deviation from Raoult's law. In the light of the above statements, choose the correct answer from the option given below :

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