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Practice Ionic Equilibrium - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Year-wise coverage for Ionic Equilibrium. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
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Question coverage for the most populated papers. Every active PYP paper remains listed below.
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| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| JEE ADVANCED 2025 PAPER 1 ONLINE | 2025 | 1 | View paper |
| JEE ADVANCED 2025 PAPER 2 ONLINE | 2025 | 1 | View paper |
| JEE ADVANCED 2023 PAPER 1 ONLINE | 2023 | 1 | View paper |
| JEE ADVANCED 2022 PAPER 1 ONLINE | 2022 | 1 | View paper |
| JEE ADVANCED 2022 PAPER 2 ONLINE | 2022 | 1 | View paper |
| JEE ADVANCED 2020 PAPER 2 OFFLINE | 2020 | 2 | View paper |
| JEE ADVANCED 2018 PAPER 1 OFFLINE | 2018 | 1 | View paper |
| JEE ADVANCED 2018 PAPER 2 OFFLINE | 2018 | 1 | View paper |
| JEE ADVANCED 2015 PAPER 2 OFFLINE | 2015 | 2 | View paper |
| JEE ADVANCED 2013 PAPER 1 OFFLINE | 2013 | 1 | View paper |
| JEE ADVANCED 2013 PAPER 2 OFFLINE | 2013 | 1 | View paper |
| IIT JEE 2011 PAPER 2 OFFLINE | 2011 | 1 | View paper |
| IIT JEE 2010 PAPER 1 OFFLINE | 2010 | 2 | View paper |
| IIT JEE 2009 PAPER 2 OFFLINE | 2009 | 1 | View paper |
| IIT JEE 2008 PAPER 1 OFFLINE | 2008 | 1 | View paper |
| IIT JEE 2008 PAPER 2 OFFLINE | 2008 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
2.5 mL of \(\frac{2}{5}\)M weak monoacidic base (K\(_b\) = 1 \(\times\) 10\(^{-12}\) at 25\(^\circ\)C) is titrated with \(\frac{2}{15}\)M HCl in water at 25\(^\circ\)C. The concentration of H\(^+\) at equivalence point is (K\(_w\) = 1 \(\times\) 10\(^{-14}\) at 25\(^\circ\)C).
Solubility product constants (K\(_{sp}\)) of salts of types MX, MX\(_2\) and M\(_3\)X at temperature T are 4.0 \(\times\) 10\(^{-8}\), 3.2 \(\times\) 10\(^{-14}\) and 2.7 \(\times\) 10\(^{-15}\), respectively. Solubilities (mol dm\(^{-3}\)) of the salts at temperature 'T' are in the order:
The dissociation constant of a substituted benzoic acid at 25\(^\circ\)C is 1.0 \(\times\) 10\(^{-4}\). The pH of a 0.01 M solution of its sodium salt is __________.
| LIST-I | LIST-II | ||
|---|---|---|---|
| P. | (10 mL of 0.1 M NaOH + 20 mL of 0.1 M acetic acid) diluted to 60 mL |
1. | the value of [H+] does not change on dilution |
| Q. | (20 mL of 0.1 M NaOH + 20 mL of 0.1 M acetic acid) diluted to 80 mL |
2. | the value of [H+] changes to half of its initial value on dilution |
| R. | (20 mL of 0.1 M HCL + 20 mL of 0.1 M ammonia solution) diluted to 80 mL |
3. | the value of [H+] changes to two times of its initial value on dilution |
| S. | 10 mL saturated solution of Ni(OH)2 in equilibrium with excess solid Ni(OH)2 is diluted to 20 mL (solid Ni(OH)2 is still present after dilution). |
4. | the value of [H+] changes to \({1 \over {\sqrt 2 }}\) times of its initial value on dilution |
| 5. | the value of [H+] changes to \(\sqrt 2\) times of its initial value on dilution |

A solution is prepared by mixing $0.01 \mathrm{~mol}$ each of $\mathrm{H}_{2} \mathrm{CO}_{3}, \mathrm{NaHCO}_{3}, \mathrm{Na}_{2} \mathrm{CO}_{3}$, and $\mathrm{NaOH}$ in $100 \mathrm{~mL}$ of water. $p \mathrm{H}$ of the resulting solution is _________.
[Given: $p \mathrm{~K}_{\mathrm{a} 1}$ and $p \mathrm{~K}_{\mathrm{a} 2}$ of $\mathrm{H}_{2} \mathrm{CO}_{3}$ are $6.37$ and 10.32, respectively; $\log 2=0.30$ ]
Concentration of $\mathrm{H}_{2} \mathrm{SO}_{4}$ and $\mathrm{Na}_{2} \mathrm{SO}_{4}$ in a solution is $1 \mathrm{M}$ and $1.8 \times 10^{-2} \mathrm{M}$, respectively. Molar solubility of $\mathrm{PbSO}_{4}$ in the same solution is $\mathrm{X} \times 10^{-\mathrm{Y}} \mathrm{M}$ (expressed in scientific notation). The value of $Y$ is ________.
[Given: Solubility product of $\mathrm{PbSO}_{4}\left(K_{s p}\right)=1.6 \times 10^{-8}$. For $\mathrm{H}_{2} \mathrm{SO}_{4}, K_{a l}$ is very large and $\left.K_{a 2}=1.2 \times 10^{-2}\right]$
At 25 °C, the concentration of H+ ions in 1.00 × 10−3 M aqueous solution of a weak monobasic acid having acid dissociation constant (Ka) of 4.00 × 10−11 is X × 10−7 M. The value of X is ______.
Use: Ionic product of water (Kw) = 1.00 × 10−14 at 25 °C
The solubility of barium iodate in an aqueous solution prepared by mixing 200 mL of 0.010 M barium nitrate with 100 mL of 0.10 M sodium iodate is $\boldsymbol{X} \times 10^{-6} \mathrm{~mol} \mathrm{dm}^{-3}$. The value of $\boldsymbol{X}$ is ____________.
Use: Solubility product constant $\left(K_{\mathrm{sp}}\right)$ of barium iodate $=1.58 \times 10^{-9}$