Surface Chemistry

JEE Advanced · Chemistry · 16 past questions

1. Q1 2025 Paper 2

   Adsorption of phenol from its aqueous solution on to fly ash obeys Freundlich isotherm. At a given…

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2. Q2 2024 Paper 2

   To form a complete monolayer of acetic acid on 1g of charcoal, 100 mL of 0.5 M acetic acid was used. Some of…

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3. Q3 2023 Paper 2

   Consider the following statements related to colloids.…

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4. Q4 2022 Paper 1

   The correct option(s) related to adsorption processes is(are)

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5. Q5 2021 Paper 1

   The correct statement(s) related to colloids is(are)

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6. Q6 2019 Paper 1

   Molar conductivity ($\Lambda_m$) of aqueous solution of sodium stearate, which behaves as a strong… (with a figure)

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7. Q7 2017 Paper 2

   The correct statement(s) about surface properties is(are)

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8. Q8 2016 Paper 2

   The qualitative sketches I, II and III given below show the variation of surface tension with molar… (with a figure)

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9. Q9 2015 Paper 2

   When O$_2$ is adsorbed on a metallic surface, electron transfer occurs from the metal to O$_2$. The TRUE…

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10. Q10 2013 Paper 1

    Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25 °C. For this process, the…

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11. Q11 2012 Paper 1

    Choose the correct reason(s) for the stability of the **lyophobic** colloidal particles.

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12. Q12 2012 Paper 2

    The given graphs / data I, II, III and IV represent general trends observed for different physisorption and… (with a figure)

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13. Q13 2011 Paper 1

    The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are)

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14. Q14 2009 Paper 1

    Among the electrolytes Na$_2$SO$_4$, CaCl$_2$, Al$_2$(SO$_4$)$_3$ and NH$_4$Cl, the most effective…

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15. Q15 2008 Paper 2

    Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar…

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16. Q16 2007 Paper 1

    STATEMENT-1 : Micelles are formed by surfactant molecules above the critical micellar concentration (CMC).…

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