Equilibrium

JEE Advanced · Chemistry · 27 past questions

20 of 27 · show all

1. Q2 2025 Paper 1

   At 25 °C, the concentration of H$^+$ ions in $1.00\times10^{-3}$ M aqueous solution of a weak monobasic acid…

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2. Q3 2025 Paper 2

   The solubility of barium iodate in an aqueous solution prepared by mixing 200 mL of 0.010 M barium nitrate…

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3. Q4 2023 Paper 1

   On decreasing the $p$H from 7 to 2, the solubility of a sparingly soluble salt (MX) of a weak acid (HX)…

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4. Q5 2023 Paper 1

   In a one-litre flask, 6 moles of A undergoes the reaction A (g) ⇌ P (g). The progress of product formation at… (with a figure)

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5. Q6 2022 Paper 1

   A solution is prepared by mixing 0.01 mol each of $\mathrm{H_2CO_3}$, $\mathrm{NaHCO_3}$…

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6. Q8 2020 Paper 2

   A solution of 0.1 M weak base (B) is titrated with 0.1 M of a strong acid (HA). The variation of pH of the… (with a figure)

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7. Q9 2020 Paper 2

   An acidified solution of 0.05 M Zn$^{2+}$ is saturated with 0.1 M H$_2$S. What is the minimum molar…

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8. Q10 2019 Paper 1

   For the following reaction, the equilibrium constant $K_c$ at 298 K is $1.6 \times 10^{17}$.…

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9. Q11 2018 Paper 1

   The solubility of a salt of weak acid (AB) at pH 3 is Y$\times10^{-3}$ mol L$^{-1}$. The value of Y is ____.…

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10. Q13 2017 Paper 2

    For a reaction taking place in a container in equilibrium with its surroundings, the effect of temperature on…

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11. Q14 2016 Paper 2

    PARAGRAPH 1…

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12. Q15 2015 Paper 1

    The %yield of ammonia as a function of time in the reaction… (with a figure)

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13. Q16 2015 Paper 2

    When 100 mL of 1.0 M HCl was mixed with 100 mL of 1.0 M NaOH in an insulated beaker at constant pressure, a…

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14. Q18 2013 Paper 2

    The thermal dissociation equilibrium of $CaCO_3(s)$ is studied under different conditions.…

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15. Q20 2011 Paper 2

    The equilibrium…

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16. Q21 2011 Paper 2

    In 1 L saturated solution of AgCl [$K_{sp}$(AgCl) $= 1.6 \times 10^{-10}$], 0.1 mol of CuCl [$K_{sp}$(CuCl)…

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17. Q22 2010 Paper 1

    Aqueous solutions of HNO$_3$, KOH, CH$_3$COOH, and CH$_3$COONa of identical concentrations are provided. The…

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18. Q23 2010 Paper 1

    Amongst the following, the total number of compounds soluble in aqueous NaOH is (with a figure)

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19. Q26 2008 Paper 1

    2.5 mL of $\frac{2}{5}$ M weak monoacidic base ($K_b = 1\times10^{-12}$ at 25 °C) is titrated with…

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20. Q27 2008 Paper 2

    Solubility product constants ($K_{sp}$) of salts of types MX, MX$_2$ and M$_3$X at temperature 'T' are…

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