Ionic Equilibrium PYQs - Last 5 Years
WB JEE / Chemistry / Physical Chemistry / 14 recent questions
ChemistryPhysical Chemistry2022-2026
Practice 14 WB JEE Chemistry questions from Ionic Equilibrium. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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2023-2026
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Last 5 Years Ionic Equilibrium Questions
Showing 14 of 14 filtered questions.
1Ionic Equilibrum
A buffer solution contains 100 ml of $0.01(\mathrm{M}) \mathrm{CH}_3 \mathrm{COOH}$ and 200 ml of $0.02(\mathrm{M}) \mathrm{CH}_3 \mathrm{COONa}_a .700 \mathrm{ml}$ of water is added subsequently to the buffer solution．The pH before and aft...
MCQ+1 / -0.252026
2Ionic Equilibrum
As per the following equation, 0.217 g of HgO (molecular mass $=217 \mathrm{~g} \mathrm{~mol}^{-1}$ ) reacts with excess iodide. On titration of the resulting solution, how many mL of 0.01 M HCl is required to reach the equivalence point?
$...
$...
MCQ+2 / -0.52025
3Ionic Equilibrum
Equal volume of two solutions $A$ and $B$ of a strong acid having $\mathrm{pH}=6.0$ and $\mathrm{pH}=4.0$ respectively are mixed together to form a new solution. The pH of the new solution will be in the range
MCQ+1 / -0.252025
4Ionic Equilibrum
Which pair of ions among the following can be separated by precipitation method?
MCQM+2 / -02025
5Ionic Equilibrum
Increasing order of solubility of AgCl in (i) $\mathrm{H}_2 \mathrm{O}$, (ii) 1 M NaCl (aq.), (iii) 1 M CaCl 2 (aq.) and (iv) $1 \mathrm{M}~ \mathrm{NaNO}_3$ (aq.) solution
MCQ+1 / -0.252025
6Ionic Equilibrum
The specific conductance \((\mathrm{k})\) of \(0.02(\mathrm{M})\) aqueous acetic acid solution at \(298 \mathrm{~K}\) is \(1.65 \times 10^{-4} \mathrm{~S} \mathrm{~cm}^{-1}\). The degree of dissociation of acetic acid is
$$[\lambda_{\mathrm...
$$[\lambda_{\mathrm...
MCQ+2 / -0.52024
7Ionic Equilibrum
\(\mathrm{pH}\) of \(10^{-8}(\mathrm{M}) \mathrm{~HCl}\) solution is
MCQ+2 / -0.52024
8Ionic Equilibrum
Equal volumes of aqueous solution of \(0.1(\mathrm{M}) \mathrm{HCl}\) and \(0.2(\mathrm{M}) \mathrm{H}_2 \mathrm{SO}_4\) are mixed. The concentration of \(\mathrm{H}^{+}\) ions in the resulting solution is
MCQ+1 / -0.252024
9Ionic Equilibrum
What will be the change in acidity if
(i) \(\mathrm{CuSO}_4\) is added in saturated \((\mathrm{NH}_4)_2 \mathrm{SO}_4\) solution
(ii) \(\mathrm{SbF}_5\) is added in anhydrous \(\mathrm{HF}\)
(i) \(\mathrm{CuSO}_4\) is added in saturated \((\mathrm{NH}_4)_2 \mathrm{SO}_4\) solution
(ii) \(\mathrm{SbF}_5\) is added in anhydrous \(\mathrm{HF}\)
MCQ+1 / -0.252024
10Ionic Equilibrum
Number of moles of ions produced by complete dissociation of one mole of Mohr's salt in water is
MCQ+1 / -0.252024
11Ionic Equilibrum
At 25\(^\circ\)C, the ionic product of water is 10\(^{-14}\). The free energy change for the self-ionization of water in kCal mol\(^{-1}\) is close to
MCQ+1 / -0.252024
12Ionic Equilibrum
Correct solubility order of \(\mathrm{AgF}, \mathrm{AgCl}, \mathrm{AgBr}, \mathrm{AgI}\) in water is
MCQ+1 / -0.252024
13Ionic Equilibrum
Which of the following mixtures act(s) as buffer solution?
MCQM+2 / -02023
14Ionic Equilibrum
At STP, the dissociation reaction of water is \(\mathrm{H_2O\rightleftharpoons H^+~(aq.)+OH^-~(aq.)}\), and the pH of water is 7.0. The change of standard free energy (\(\Delta\)G\(^\circ\)) for the above dissociation process is given by
MCQ+1 / -0.252023