Ionic Equilibrium PYQs - Last 10 Years
AP EAPCET / Chemistry / Physical Chemistry / 24 recent questions
ChemistryPhysical Chemistry2016-2025
Practice 24 AP EAPCET 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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Last 10 Years Ionic Equilibrium Questions
Showing 24 of 24 filtered questions.
1Ionic Equilibrum
At $T(\mathrm{~K}) K_{\mathrm{sp}}$ of two ionic salts $M X_2$ and $M X$ is $5 \times 10^{-13}$ and $1.6 \times 10^{-11}$ respectively. The ratio of molar solubility of $M X_2$ and $M X$ is
MCQ+1 / -02025
2Ionic Equilibrum
The molar solubility of $\mathrm{PbI}_2$ in $0.2 \mathrm{MPb}\left(\mathrm{NO}_3\right)_2$ solution in terms of $K_{s p}$ (solubility product) is
MCQ+1 / -02025
3Ionic Equilibrum
When 30 mL of $0.2 \mathrm{M} \mathrm{NH}_4 \mathrm{OH}$ is added to 30 mL of $2 \mathrm{M} \mathrm{NH}_4 \mathrm{Cl}$ solution. If the pH of the buffer formed is 8.2, what is the $\mathrm{p} K_b$ of $\mathrm{NH}_4 \mathrm{OH}$ ?
MCQ+1 / -02025
4Ionic Equilibrum
The percentage of ionisation of 1 L of $x \mathrm{M}$ acetic acid is 4.242 and is called solution " $A$ ". The percentage of ionisation of 1 L of $y \mathrm{M}$ acetic acid is 3 and is called solution " $B$ ". Solution " $A$ " is mixed with...
MCQ+1 / -02025
5Ionic Equilibrum
At $25^{\circ} \mathrm{C}$, the percentage of ionisation of ' $x$ ' M acetic acid is 4.242 . What is the value of $x$ ? $\left(K_{\mathrm{a}}=1.8 \times 10^{-5}\right)$
MCQ+1 / -02025
6Ionic Equilibrum
At $25^{\circ} \mathrm{C}, K_a$ of formic acid is $1.8 \times 10^{-4}$. What is the $K_b$ of $\mathrm{HCOO}^{-}$?
MCQ+1 / -02025
7Ionic Equilibrum
At $25^{\circ} \mathrm{C}$, the percentage of ionisation of $x \mathrm{M}$ acetic acid is 4.242 . What is the pH of the acetic acid solution?
$$ \begin{aligned} & (\log 4.242=0.6275) ;(\log 0.04242=-1.372) \\ & \left(K_{\mathrm{a}}=1.8 \tim...
$$ \begin{aligned} & (\log 4.242=0.6275) ;(\log 0.04242=-1.372) \\ & \left(K_{\mathrm{a}}=1.8 \tim...
MCQ+1 / -02025
8Ionic Equilibrum
At $T(\mathrm{~K})$, the solubility product of AgBr is $4 \times 10^{-13}$. What is its solubility in 0.1 M KBr solution?
MCQ+1 / -02025
9Ionic Equilibrum
At $27^{\circ} \mathrm{C}$, the degree of dissociation of $\mathrm{H} A$ (weak acid) in 0.5 M of its solution is $1 \%$. The concentrations of $\mathrm{H}_3 \mathrm{O}^{+}, A^{-}$and $\mathrm{H} A$ at equilibrium (in $\mathrm{mol} \mathrm{L...
MCQ+1 / -02024
10Ionic Equilibrum
Which of the following when added to 20 mL of a 0.01 M solution of HCl would decrease its pH ?
MCQ+1 / -02024
11Ionic Equilibrum
100 mL of $0.1 \mathrm{M} \mathrm{H} A$ (weak acid) and 100 mL of 0.2 M $\mathrm{Na} A$ are mixed. What is the pH of resultant solution? ( $K_{\mathrm{a}}$ of $\mathrm{H} A$ is $10^{-5}: \log 2=0.3$ )
MCQ+1 / -02024
12Ionic Equilibrum
At $T(\mathrm{~K})$, the solubility product of $A X$ is $10^{-10}$. What is the molar solubility of $A X$ in 0.1 MHX ?
MCQ+1 / -02024
13Ionic Equilibrum
The solubility of barium phosphate of molar mass ' $M$ ' $\mathrm{g} \mathrm{mol}^{-1}$ in water is $x \mathrm{~g}$ per 100 mL at 298 K . Its solubility product is $1.08 \times\left(\frac{x}{M}\right)^a \times(10)^b$. The values of $a$ and ...
MCQ+1 / -02024
14Ionic Equilibrum
At $27^{\circ} \mathrm{C}, 100 \mathrm{~mL}$ of 0.4 M HCl is mixed with 100 mL of 0.5 M NaOH solution. To the resultant solution, 800 mL of distilled water is added. What is the pH of final solution?
MCQ+1 / -02024
15Ionic Equilibrum
Which of the following will make a basic buffer solution?
MCQ+1 / -02024
16Ionic Equilibrum
What is the conjugate base of chloric acid?
MCQ+1 / -02024
17Ionic Equilibrum
Observe the following solutions.
I. Black coffee
II. 0.2 M NaOH
III. Lemon juice
IV. Lime water
V. Human saliva
VI. Tomato juice
The number of solutions having pH range of $1-7$ and 7-14, in the above list, is respectively
I. Black coffee
II. 0.2 M NaOH
III. Lemon juice
IV. Lime water
V. Human saliva
VI. Tomato juice
The number of solutions having pH range of $1-7$ and 7-14, in the above list, is respectively
MCQ+1 / -02023
18Ionic Equilibrum
Equal volumes of 0.5 N acetic acid and 0.5 N sodium acetate are mixed. What is the pH of resultant solution? (\(\mathrm{p} K_a\) of acetic acid \(=4.75\))
MCQ+1 / -02022
19Ionic Equilibrum
The pH of 0.01 N lime water is
MCQ+1 / -02022
20Ionic Equilibrum
The solubility of \(\operatorname{AgBr}(s)\), having solubility product \(5 \times 10^{-10}\) in \(0.2 \mathrm{~M} \mathrm{~NaBr}\) solution equals
MCQ+1 / -02021
21Ionic Equilibrum
The pH of 0.1 M solution of acetic acid will be
[degree of dissociation of acetic acid is
0.0132]
[degree of dissociation of acetic acid is
0.0132]
MCQ+1 / -02021
22Ionic Equilibrum
Match the following columns.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal...
MCQ+1 / -02021
23Ionic Equilibrum
Which among the following pairs is not an acidic buffer?
MCQ+1 / -02021
24Ionic Equilibrum
Calculate the pOH of 0.10 M HCl solution.
MCQ+1 / -02021