States of Matter

JEE Advanced · Chemistry · 13 past questions

1. Q1 2026 Paper 1

   Two cylinders, both fitted with frictionless pistons, are filled with mixtures of He and Ar gases. In the…

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2. Q2 2025 Paper 1

   Molar volume ($V_m$) of a van der Waals gas can be calculated by expressing the van der Waals equation as a…

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3. Q3 2024 Paper 1

   A closed vessel contains 10 g of an ideal gas X at 300 K, which exerts 2 atm pressure. At the same…

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4. Q4 2023 Paper 1

   A gas has a compressibility factor of 0.5 and a molar volume of 0.4 dm$^3$ mol$^{-1}$ at a temperature of 800…

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5. Q5 2020 Paper 1

   If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most… (with a figure)

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6. Q6 2019 Paper 1

   Which of the following statement(s) is(are) correct regarding the root mean square speed ($u_{rms}$) and…

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7. Q7 2016 Paper 1

   The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute…

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8. Q8 2011 Paper 1

   According to kinetic theory of gases

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9. Q9 2011 Paper 1

   To an evacuated vessel with movable piston under external pressure of 1 atm., 0.1 mol of He and 1.0 mol of an…

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10. Q10 2009 Paper 1

    The term that corrects for the attractive forces present in a real gas in the van der Waals equation is

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11. Q11 2009 Paper 2

    At 400 K, the root mean square (rms) speed of a gas $X$ (molecular weight = 40) is equal to the most probable…

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12. Q12 2008 Paper 1

    A gas described by van der Waals equation

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13. Q13 2007 Paper 1

    Match gases under specified conditions listed in Column I with their properties/laws in Column II. Indicate…

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